28616665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 14514215

約数列:

[1, 5, 7, 11, 35, 55, 77, 239, 311, 385, 1195, 1555, 1673, 2177, 2629, 3421, 8365, 10885, 13145, 17105, 18403, 23947, 74329, 92015, 119735, 371645, 520303, 817619, 2601515, 4088095, 5723333, 28616665]

約数ペア:

[(1, 28616665), (5, 5723333), (7, 4088095), (11, 2601515), (35, 817619), (55, 520303), (77, 371645), (239, 119735), (311, 92015), (385, 74329), (1195, 23947), (1555, 18403), (1673, 17105), (2177, 13145), (2629, 10885), (3421, 8365)]