199742816

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 506761920

約数和(自身を除く): 307019104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 49, 52, 56, 82, 91, 98, 104, 112, 164, 182, 196, 208, 224, 239, 287, 328, 364, 392, 416, 478, 533, 574, 637, 656, 728, 784, 956, 1066, 1148, 1274, 1312, 1456, 1568, 1673, 1912, 2009, 2132, 2296, 2548, 2912, 3107, 3346, 3731, 3824, 4018, 4264, 4592, 5096, 6214, 6692, 7462, 7648, 8036, 8528, 9184, 9799, 10192, 11711, 12428, 13384, 14924, 16072, 17056, 19598, 20384, 21749, 23422, 24856, 26117, 26768, 29848, 32144, 39196, 43498, 46844, 49712, 52234, 53536, 59696, 64288, 68593, 78392, 86996, 93688, 99424, 104468, 119392, 127387, 137186, 152243, 156784, 173992, 187376, 208936, 254774, 274372, 304486, 313568, 347984, 374752, 417872, 480151, 509548, 548744, 608972, 695968, 835744, 891709, 960302, 1019096, 1097488, 1217944, 1783418, 1920604, 2038192, 2194976, 2435888, 3566836, 3841208, 4076384, 4871776, 6241963, 7133672, 7682416, 12483926, 14267344, 15364832, 24967852, 28534688, 49935704, 99871408, 199742816]

約数ペア:

[(1, 199742816), (2, 99871408), (4, 49935704), (7, 28534688), (8, 24967852), (13, 15364832), (14, 14267344), (16, 12483926), (26, 7682416), (28, 7133672), (32, 6241963), (41, 4871776), (49, 4076384), (52, 3841208), (56, 3566836), (82, 2435888), (91, 2194976), (98, 2038192), (104, 1920604), (112, 1783418), (164, 1217944), (182, 1097488), (196, 1019096), (208, 960302), (224, 891709), (239, 835744), (287, 695968), (328, 608972), (364, 548744), (392, 509548), (416, 480151), (478, 417872), (533, 374752), (574, 347984), (637, 313568), (656, 304486), (728, 274372), (784, 254774), (956, 208936), (1066, 187376), (1148, 173992), (1274, 156784), (1312, 152243), (1456, 137186), (1568, 127387), (1673, 119392), (1912, 104468), (2009, 99424), (2132, 93688), (2296, 86996), (2548, 78392), (2912, 68593), (3107, 64288), (3346, 59696), (3731, 53536), (3824, 52234), (4018, 49712), (4264, 46844), (4592, 43498), (5096, 39196), (6214, 32144), (6692, 29848), (7462, 26768), (7648, 26117), (8036, 24856), (8528, 23422), (9184, 21749), (9799, 20384), (10192, 19598), (11711, 17056), (12428, 16072), (13384, 14924)]