164641568

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 418078584

約数和(自身を除く): 253437016

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, 197, 208, 224, 287, 328, 364, 392, 394, 416, 533, 574, 637, 656, 728, 784, 788, 1066, 1148, 1274, 1312, 1379, 1456, 1568, 1576, 2009, 2132, 2296, 2548, 2561, 2758, 2912, 3152, 3731, 4018, 4264, 4592, 5096, 5122, 5516, 6304, 7462, 8036, 8077, 8528, 9184, 9653, 10192, 10244, 11032, 14924, 16072, 16154, 17056, 17927, 19306, 20384, 20488, 22064, 26117, 29848, 32144, 32308, 35854, 38612, 40976, 44128, 52234, 56539, 59696, 64288, 64616, 71708, 77224, 81952, 104468, 105001, 113078, 119392, 125489, 129232, 143416, 154448, 208936, 210002, 226156, 250978, 258464, 286832, 308896, 395773, 417872, 420004, 452312, 501956, 573664, 735007, 791546, 835744, 840008, 904624, 1003912, 1470014, 1583092, 1680016, 1809248, 2007824, 2940028, 3166184, 3360032, 4015648, 5145049, 5880056, 6332368, 10290098, 11760112, 12664736, 20580196, 23520224, 41160392, 82320784, 164641568]

約数ペア:

[(1, 164641568), (2, 82320784), (4, 41160392), (7, 23520224), (8, 20580196), (13, 12664736), (14, 11760112), (16, 10290098), (26, 6332368), (28, 5880056), (32, 5145049), (41, 4015648), (49, 3360032), (52, 3166184), (56, 2940028), (82, 2007824), (91, 1809248), (98, 1680016), (104, 1583092), (112, 1470014), (164, 1003912), (182, 904624), (196, 840008), (197, 835744), (208, 791546), (224, 735007), (287, 573664), (328, 501956), (364, 452312), (392, 420004), (394, 417872), (416, 395773), (533, 308896), (574, 286832), (637, 258464), (656, 250978), (728, 226156), (784, 210002), (788, 208936), (1066, 154448), (1148, 143416), (1274, 129232), (1312, 125489), (1379, 119392), (1456, 113078), (1568, 105001), (1576, 104468), (2009, 81952), (2132, 77224), (2296, 71708), (2548, 64616), (2561, 64288), (2758, 59696), (2912, 56539), (3152, 52234), (3731, 44128), (4018, 40976), (4264, 38612), (4592, 35854), (5096, 32308), (5122, 32144), (5516, 29848), (6304, 26117), (7462, 22064), (8036, 20488), (8077, 20384), (8528, 19306), (9184, 17927), (9653, 17056), (10192, 16154), (10244, 16072), (11032, 14924)]