638508416

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 1640943360

約数和(自身を除く): 1002434944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 49, 52, 56, 64, 82, 91, 98, 104, 112, 128, 164, 182, 191, 196, 208, 224, 287, 328, 364, 382, 392, 416, 448, 533, 574, 637, 656, 728, 764, 784, 832, 896, 1066, 1148, 1274, 1312, 1337, 1456, 1528, 1568, 1664, 2009, 2132, 2296, 2483, 2548, 2624, 2674, 2912, 3056, 3136, 3731, 4018, 4264, 4592, 4966, 5096, 5248, 5348, 5824, 6112, 6272, 7462, 7831, 8036, 8528, 9184, 9359, 9932, 10192, 10696, 11648, 12224, 14924, 15662, 16072, 17056, 17381, 18368, 18718, 19864, 20384, 21392, 24448, 26117, 29848, 31324, 32144, 34112, 34762, 36736, 37436, 39728, 40768, 42784, 52234, 54817, 59696, 62648, 64288, 68224, 69524, 74872, 79456, 81536, 85568, 101803, 104468, 109634, 119392, 121667, 125296, 128576, 139048, 149744, 158912, 171136, 203606, 208936, 219268, 238784, 243334, 250592, 257152, 278096, 299488, 317824, 383719, 407212, 417872, 438536, 477568, 486668, 501184, 556192, 598976, 712621, 767438, 814424, 835744, 877072, 973336, 1002368, 1112384, 1197952, 1425242, 1534876, 1628848, 1671488, 1754144, 1946672, 2224768, 2850484, 3069752, 3257696, 3342976, 3508288, 3893344, 4988347, 5700968, 6139504, 6515392, 7016576, 7786688, 9976694, 11401936, 12279008, 13030784, 15573376, 19953388, 22803872, 24558016, 39906776, 45607744, 49116032, 79813552, 91215488, 159627104, 319254208, 638508416]

約数ペア:

[(1, 638508416), (2, 319254208), (4, 159627104), (7, 91215488), (8, 79813552), (13, 49116032), (14, 45607744), (16, 39906776), (26, 24558016), (28, 22803872), (32, 19953388), (41, 15573376), (49, 13030784), (52, 12279008), (56, 11401936), (64, 9976694), (82, 7786688), (91, 7016576), (98, 6515392), (104, 6139504), (112, 5700968), (128, 4988347), (164, 3893344), (182, 3508288), (191, 3342976), (196, 3257696), (208, 3069752), (224, 2850484), (287, 2224768), (328, 1946672), (364, 1754144), (382, 1671488), (392, 1628848), (416, 1534876), (448, 1425242), (533, 1197952), (574, 1112384), (637, 1002368), (656, 973336), (728, 877072), (764, 835744), (784, 814424), (832, 767438), (896, 712621), (1066, 598976), (1148, 556192), (1274, 501184), (1312, 486668), (1337, 477568), (1456, 438536), (1528, 417872), (1568, 407212), (1664, 383719), (2009, 317824), (2132, 299488), (2296, 278096), (2483, 257152), (2548, 250592), (2624, 243334), (2674, 238784), (2912, 219268), (3056, 208936), (3136, 203606), (3731, 171136), (4018, 158912), (4264, 149744), (4592, 139048), (4966, 128576), (5096, 125296), (5248, 121667), (5348, 119392), (5824, 109634), (6112, 104468), (6272, 101803), (7462, 85568), (7831, 81536), (8036, 79456), (8528, 74872), (9184, 69524), (9359, 68224), (9932, 64288), (10192, 62648), (10696, 59696), (11648, 54817), (12224, 52234), (14924, 42784), (15662, 40768), (16072, 39728), (17056, 37436), (17381, 36736), (18368, 34762), (18718, 34112), (19864, 32144), (20384, 31324), (21392, 29848), (24448, 26117)]