64129205

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 90574848

約数和(自身を除く): 26445643

約数列:

[1, 5, 7, 35, 53, 181, 191, 265, 371, 905, 955, 1267, 1337, 1855, 6335, 6685, 9593, 10123, 34571, 47965, 50615, 67151, 70861, 172855, 241997, 335755, 354305, 1209985, 1832263, 9161315, 12825841, 64129205]

約数ペア:

[(1, 64129205), (5, 12825841), (7, 9161315), (35, 1832263), (53, 1209985), (181, 354305), (191, 335755), (265, 241997), (371, 172855), (905, 70861), (955, 67151), (1267, 50615), (1337, 47965), (1855, 34571), (6335, 10123), (6685, 9593)]