28205602

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1641

約数の個数: 16

約数和(自身を含む): 43243200

約数和(自身を除く): 15037598

約数列:

[1, 2, 71, 139, 142, 278, 1429, 2858, 9869, 19738, 101459, 198631, 202918, 397262, 14102801, 28205602]

約数ペア:

[(1, 28205602), (2, 14102801), (71, 397262), (139, 202918), (142, 198631), (278, 101459), (1429, 19738), (2858, 9869)]