128021992

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 281520000

約数和(自身を除く): 153498008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 149, 229, 268, 298, 458, 469, 536, 596, 916, 938, 1043, 1192, 1603, 1832, 1876, 2086, 3206, 3752, 4172, 6412, 8344, 9983, 12824, 15343, 19966, 30686, 34121, 39932, 61372, 68242, 69881, 79864, 107401, 122744, 136484, 139762, 214802, 238847, 272968, 279524, 429604, 477694, 559048, 859208, 955388, 1910776, 2286107, 4572214, 9144428, 16002749, 18288856, 32005498, 64010996, 128021992]

約数ペア:

[(1, 128021992), (2, 64010996), (4, 32005498), (7, 18288856), (8, 16002749), (14, 9144428), (28, 4572214), (56, 2286107), (67, 1910776), (134, 955388), (149, 859208), (229, 559048), (268, 477694), (298, 429604), (458, 279524), (469, 272968), (536, 238847), (596, 214802), (916, 139762), (938, 136484), (1043, 122744), (1192, 107401), (1603, 79864), (1832, 69881), (1876, 68242), (2086, 61372), (3206, 39932), (3752, 34121), (4172, 30686), (6412, 19966), (8344, 15343), (9983, 12824)]