869890628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{78823}}^1$

素因数の和:78947

約数の個数: 24

約数和(自身を含む): 1589091840

約数和(自身を除く): 719201212

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 2759, 5518, 11036, 78823, 157646, 315292, 2443513, 4887026, 7015247, 9774052, 14030494, 28060988, 217472657, 434945314, 869890628]

約数ペア:

[(1, 869890628), (2, 434945314), (4, 217472657), (31, 28060988), (62, 14030494), (89, 9774052), (124, 7015247), (178, 4887026), (356, 2443513), (2759, 315292), (5518, 157646), (11036, 78823)]