78637325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 114117696

約数和(自身を除く): 35480371

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 331, 425, 559, 731, 1075, 1105, 1655, 2795, 3655, 4303, 5525, 5627, 8275, 9503, 13975, 14233, 18275, 21515, 28135, 47515, 71165, 73151, 107575, 140675, 185029, 237575, 241961, 355825, 365755, 925145, 1209805, 1828775, 3145493, 4625725, 6049025, 15727465, 78637325]

約数ペア:

[(1, 78637325), (5, 15727465), (13, 6049025), (17, 4625725), (25, 3145493), (43, 1828775), (65, 1209805), (85, 925145), (215, 365755), (221, 355825), (325, 241961), (331, 237575), (425, 185029), (559, 140675), (731, 107575), (1075, 73151), (1105, 71165), (1655, 47515), (2795, 28135), (3655, 21515), (4303, 18275), (5525, 14233), (5627, 13975), (8275, 9503)]