202238491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20389}}^1$

素因数の和:20518

約数の個数: 16

約数和(自身を含む): 251204800

約数和(自身を除く): 48966309

約数列:

[1, 7, 13, 91, 109, 763, 1417, 9919, 20389, 142723, 265057, 1855399, 2222401, 15556807, 28891213, 202238491]

約数ペア:

[(1, 202238491), (7, 28891213), (13, 15556807), (91, 2222401), (109, 1855399), (763, 265057), (1417, 142723), (9919, 20389)]