64513790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18919}}^1$

素因数の和:18968

約数の個数: 32

約数和(自身を含む): 130775040

約数和(自身を除く): 66261250

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 18919, 37838, 94595, 189190, 208109, 416218, 586489, 1040545, 1172978, 2081090, 2932445, 5864890, 6451379, 12902758, 32256895, 64513790]

約数ペア:

[(1, 64513790), (2, 32256895), (5, 12902758), (10, 6451379), (11, 5864890), (22, 2932445), (31, 2081090), (55, 1172978), (62, 1040545), (110, 586489), (155, 416218), (310, 208109), (341, 189190), (682, 94595), (1705, 37838), (3410, 18919)]