28263809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 34531200

約数和(自身を除く): 6267391

約数列:

[1, 7, 17, 109, 119, 763, 1853, 2179, 12971, 15253, 37043, 237511, 259301, 1662577, 4037687, 28263809]

約数ペア:

[(1, 28263809), (7, 4037687), (17, 1662577), (109, 259301), (119, 237511), (763, 37043), (1853, 15253), (2179, 12971)]