2172790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 4156416

約数和(自身を除く): 1983626

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 163, 215, 310, 326, 430, 815, 1333, 1630, 2666, 5053, 6665, 7009, 10106, 13330, 14018, 25265, 35045, 50530, 70090, 217279, 434558, 1086395, 2172790]

約数ペア:

[(1, 2172790), (2, 1086395), (5, 434558), (10, 217279), (31, 70090), (43, 50530), (62, 35045), (86, 25265), (155, 14018), (163, 13330), (215, 10106), (310, 7009), (326, 6665), (430, 5053), (815, 2666), (1333, 1630)]