64660990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{340321}}^1$

素因数の和:340347

約数の個数: 16

約数和(自身を含む): 122515920

約数和(自身を除く): 57854930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 340321, 680642, 1701605, 3403210, 6466099, 12932198, 32330495, 64660990]

約数ペア:

[(1, 64660990), (2, 32330495), (5, 12932198), (10, 6466099), (19, 3403210), (38, 1701605), (95, 680642), (190, 340321)]