80181316

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 150430000

約数和(自身を除く): 70248684

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 289, 499, 556, 578, 998, 1156, 1996, 2363, 4726, 8483, 9452, 16966, 33932, 40171, 69361, 80342, 138722, 144211, 160684, 277444, 288422, 576844, 1179137, 2358274, 4716548, 20045329, 40090658, 80181316]

約数ペア:

[(1, 80181316), (2, 40090658), (4, 20045329), (17, 4716548), (34, 2358274), (68, 1179137), (139, 576844), (278, 288422), (289, 277444), (499, 160684), (556, 144211), (578, 138722), (998, 80342), (1156, 69361), (1996, 40171), (2363, 33932), (4726, 16966), (8483, 9452)]