80897618

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{2539}}^1$

素因数の和:2809

約数の個数: 16

約数和(自身を含む): 123444000

約数和(自身を除く): 42546382

約数列:

[1, 2, 89, 178, 179, 358, 2539, 5078, 15931, 31862, 225971, 451942, 454481, 908962, 40448809, 80897618]

約数ペア:

[(1, 80897618), (2, 40448809), (89, 908962), (178, 454481), (179, 451942), (358, 225971), (2539, 31862), (5078, 15931)]