85801990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140659}}^1$

素因数の和:140727

約数の個数: 16

約数和(自身を含む): 156976560

約数和(自身を除く): 71174570

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 140659, 281318, 703295, 1406590, 8580199, 17160398, 42900995, 85801990]

約数ペア:

[(1, 85801990), (2, 42900995), (5, 17160398), (10, 8580199), (61, 1406590), (122, 703295), (305, 281318), (610, 140659)]