858128848

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{272249}}^1$

素因数の和:272454

約数の個数: 20

約数和(自身を含む): 1671070500

約数和(自身を除く): 812941652

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 272249, 544498, 1088996, 2177992, 4355984, 53633053, 107266106, 214532212, 429064424, 858128848]

約数ペア:

[(1, 858128848), (2, 429064424), (4, 214532212), (8, 107266106), (16, 53633053), (197, 4355984), (394, 2177992), (788, 1088996), (1576, 544498), (3152, 272249)]