31191728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{24677}}^1$

素因数の和:24764

約数の個数: 20

約数和(自身を含む): 61201440

約数和(自身を除く): 30009712

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 24677, 49354, 98708, 197416, 394832, 1949483, 3898966, 7797932, 15595864, 31191728]

約数ペア:

[(1, 31191728), (2, 15595864), (4, 7797932), (8, 3898966), (16, 1949483), (79, 394832), (158, 197416), (316, 98708), (632, 49354), (1264, 24677)]