31188950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3691}}^1$

素因数の和:3729

約数の個数: 36

約数和(自身を含む): 62834148

約数和(自身を除く): 31645198

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3691, 4225, 7382, 8450, 18455, 36910, 47983, 92275, 95966, 184550, 239915, 479830, 623779, 1199575, 1247558, 2399150, 3118895, 6237790, 15594475, 31188950]

約数ペア:

[(1, 31188950), (2, 15594475), (5, 6237790), (10, 3118895), (13, 2399150), (25, 1247558), (26, 1199575), (50, 623779), (65, 479830), (130, 239915), (169, 184550), (325, 95966), (338, 92275), (650, 47983), (845, 36910), (1690, 18455), (3691, 8450), (4225, 7382)]