81011324

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{70079}}^1$

素因数の和:70117

約数の個数: 18

約数和(自身を含む): 150601920

約数和(自身を除く): 69590596

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 70079, 140158, 280316, 1191343, 2382686, 4765372, 20252831, 40505662, 81011324]

約数ペア:

[(1, 81011324), (2, 40505662), (4, 20252831), (17, 4765372), (34, 2382686), (68, 1191343), (289, 280316), (578, 140158), (1156, 70079)]