65725975

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 97422336

約数和(自身を除く): 31696361

約数列:

[1, 5, 7, 25, 35, 47, 61, 131, 175, 235, 305, 329, 427, 655, 917, 1175, 1525, 1645, 2135, 2867, 3275, 4585, 6157, 7991, 8225, 10675, 14335, 20069, 22925, 30785, 39955, 43099, 55937, 71675, 100345, 153925, 199775, 215495, 279685, 375577, 501725, 1077475, 1398425, 1877885, 2629039, 9389425, 13145195, 65725975]

約数ペア:

[(1, 65725975), (5, 13145195), (7, 9389425), (25, 2629039), (35, 1877885), (47, 1398425), (61, 1077475), (131, 501725), (175, 375577), (235, 279685), (305, 215495), (329, 199775), (427, 153925), (655, 100345), (917, 71675), (1175, 55937), (1525, 43099), (1645, 39955), (2135, 30785), (2867, 22925), (3275, 20069), (4585, 14335), (6157, 10675), (7991, 8225)]