64023575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 100469760

約数和(自身を除く): 36446185

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 175, 275, 385, 395, 421, 553, 869, 1925, 1975, 2105, 2765, 2947, 4345, 4631, 6083, 10525, 13825, 14735, 21725, 23155, 30415, 32417, 33259, 73675, 115775, 152075, 162085, 166295, 232813, 365849, 810425, 831475, 1164065, 1829245, 2560943, 5820325, 9146225, 12804715, 64023575]

約数ペア:

[(1, 64023575), (5, 12804715), (7, 9146225), (11, 5820325), (25, 2560943), (35, 1829245), (55, 1164065), (77, 831475), (79, 810425), (175, 365849), (275, 232813), (385, 166295), (395, 162085), (421, 152075), (553, 115775), (869, 73675), (1925, 33259), (1975, 32417), (2105, 30415), (2765, 23155), (2947, 21725), (4345, 14735), (4631, 13825), (6083, 10525)]