68889275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 106493184

約数和(自身を除く): 37603909

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 107, 175, 283, 325, 455, 535, 749, 1391, 1415, 1981, 2275, 2675, 3679, 3745, 6955, 7075, 9737, 9905, 18395, 18725, 25753, 30281, 34775, 48685, 49525, 91975, 128765, 151405, 211967, 243425, 393653, 643825, 757025, 1059835, 1968265, 2755571, 5299175, 9841325, 13777855, 68889275]

約数ペア:

[(1, 68889275), (5, 13777855), (7, 9841325), (13, 5299175), (25, 2755571), (35, 1968265), (65, 1059835), (91, 757025), (107, 643825), (175, 393653), (283, 243425), (325, 211967), (455, 151405), (535, 128765), (749, 91975), (1391, 49525), (1415, 48685), (1981, 34775), (2275, 30281), (2675, 25753), (3679, 18725), (3745, 18395), (6955, 9905), (7075, 9737)]