128207950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197243}}^1$

素因数の和:197268

約数の個数: 24

約数和(自身を含む): 256811688

約数和(自身を除く): 128603738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 197243, 394486, 986215, 1972430, 2564159, 4931075, 5128318, 9862150, 12820795, 25641590, 64103975, 128207950]

約数ペア:

[(1, 128207950), (2, 64103975), (5, 25641590), (10, 12820795), (13, 9862150), (25, 5128318), (26, 4931075), (50, 2564159), (65, 1972430), (130, 986215), (325, 394486), (650, 197243)]