81307748

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{3257}}^1$

素因数の和:3419

約数の個数: 18

約数和(自身を含む): 144156726

約数和(自身を除く): 62848978

約数列:

[1, 2, 4, 79, 158, 316, 3257, 6241, 6514, 12482, 13028, 24964, 257303, 514606, 1029212, 20326937, 40653874, 81307748]

約数ペア:

[(1, 81307748), (2, 40653874), (4, 20326937), (79, 1029212), (158, 514606), (316, 257303), (3257, 24964), (6241, 13028), (6514, 12482)]