64778096

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2241

約数の個数: 40

約数和(自身を含む): 131741568

約数和(自身を除く): 66963472

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 2141, 3782, 4282, 7564, 8564, 15128, 17128, 30256, 34256, 66371, 130601, 132742, 261202, 265484, 522404, 530968, 1044808, 1061936, 2089616, 4048631, 8097262, 16194524, 32389048, 64778096]

約数ペア:

[(1, 64778096), (2, 32389048), (4, 16194524), (8, 8097262), (16, 4048631), (31, 2089616), (61, 1061936), (62, 1044808), (122, 530968), (124, 522404), (244, 265484), (248, 261202), (488, 132742), (496, 130601), (976, 66371), (1891, 34256), (2141, 30256), (3782, 17128), (4282, 15128), (7564, 8564)]