127742468

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 261609600

約数和(自身を除く): 133867132

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 149, 268, 298, 457, 469, 596, 914, 938, 1043, 1828, 1876, 2086, 3199, 4172, 6398, 9983, 12796, 19966, 30619, 39932, 61238, 68093, 69881, 122476, 136186, 139762, 214333, 272372, 279524, 428666, 476651, 857332, 953302, 1906604, 4562231, 9124462, 18248924, 31935617, 63871234, 127742468]

約数ペア:

[(1, 127742468), (2, 63871234), (4, 31935617), (7, 18248924), (14, 9124462), (28, 4562231), (67, 1906604), (134, 953302), (149, 857332), (268, 476651), (298, 428666), (457, 279524), (469, 272372), (596, 214333), (914, 139762), (938, 136186), (1043, 122476), (1828, 69881), (1876, 68093), (2086, 61238), (3199, 39932), (4172, 30619), (6398, 19966), (9983, 12796)]