1999906565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1571}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 2549809152

約数和(自身を除く): 549902587

約数列:

[1, 5, 31, 43, 155, 191, 215, 955, 1333, 1571, 5921, 6665, 7855, 8213, 29605, 41065, 48701, 67553, 243505, 254603, 300061, 337765, 1273015, 1500305, 2094143, 9301891, 10470715, 12902623, 46509455, 64513115, 399981313, 1999906565]

約数ペア:

[(1, 1999906565), (5, 399981313), (31, 64513115), (43, 46509455), (155, 12902623), (191, 10470715), (215, 9301891), (955, 2094143), (1333, 1500305), (1571, 1273015), (5921, 337765), (6665, 300061), (7855, 254603), (8213, 243505), (29605, 67553), (41065, 48701)]