81688854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{6197}}^1$

素因数の和:6241

約数の個数: 32

約数和(自身を含む): 177014880

約数和(自身を除く): 95326026

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2197, 4394, 6197, 6591, 12394, 13182, 18591, 37182, 80561, 161122, 241683, 483366, 1047293, 2094586, 3141879, 6283758, 13614809, 27229618, 40844427, 81688854]

約数ペア:

[(1, 81688854), (2, 40844427), (3, 27229618), (6, 13614809), (13, 6283758), (26, 3141879), (39, 2094586), (78, 1047293), (169, 483366), (338, 241683), (507, 161122), (1014, 80561), (2197, 37182), (4394, 18591), (6197, 13182), (6591, 12394)]