646001850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331283}}^1$

素因数の和:331311

約数の個数: 48

約数和(自身を含む): 1725327072

約数和(自身を除く): 1079325222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 331283, 662566, 993849, 1656415, 1987698, 3312830, 4306679, 4969245, 8282075, 8613358, 9938490, 12920037, 16564150, 21533395, 24846225, 25840074, 43066790, 49692450, 64600185, 107666975, 129200370, 215333950, 323000925, 646001850]

約数ペア:

[(1, 646001850), (2, 323000925), (3, 215333950), (5, 129200370), (6, 107666975), (10, 64600185), (13, 49692450), (15, 43066790), (25, 25840074), (26, 24846225), (30, 21533395), (39, 16564150), (50, 12920037), (65, 9938490), (75, 8613358), (78, 8282075), (130, 4969245), (150, 4306679), (195, 3312830), (325, 1987698), (390, 1656415), (650, 993849), (975, 662566), (1950, 331283)]