397018882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{20663}}^1$

素因数の和:21417

約数の個数: 16

約数和(自身を含む): 642237120

約数和(自身を除く): 245218238

約数列:

[1, 2, 13, 26, 739, 1478, 9607, 19214, 20663, 41326, 268619, 537238, 15269957, 30539914, 198509441, 397018882]

約数ペア:

[(1, 397018882), (2, 198509441), (13, 30539914), (26, 15269957), (739, 537238), (1478, 268619), (9607, 41326), (19214, 20663)]