916821725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{4357}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 1199670240

約数和(自身を除く): 282848515

約数列:

[1, 5, 19, 25, 95, 443, 475, 2215, 4357, 8417, 11075, 21785, 42085, 82783, 108925, 210425, 413915, 1930151, 2069575, 9650755, 36672869, 48253775, 183364345, 916821725]

約数ペア:

[(1, 916821725), (5, 183364345), (19, 48253775), (25, 36672869), (95, 9650755), (443, 2069575), (475, 1930151), (2215, 413915), (4357, 210425), (8417, 108925), (11075, 82783), (21785, 42085)]