205879436

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{18521}}^1$

素因数の和:18929

約数の個数: 24

約数和(自身を含む): 412818336

約数和(自身を除く): 206938900

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 2779, 5558, 11116, 18521, 37042, 74084, 129647, 259294, 518588, 7352837, 14705674, 29411348, 51469859, 102939718, 205879436]

約数ペア:

[(1, 205879436), (2, 102939718), (4, 51469859), (7, 29411348), (14, 14705674), (28, 7352837), (397, 518588), (794, 259294), (1588, 129647), (2779, 74084), (5558, 37042), (11116, 18521)]