28101745

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 40941504

約数和(自身を除く): 12839759

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 4987, 5635, 24935, 34909, 114701, 174545, 244363, 573505, 802907, 1221815, 4014535, 5620349, 28101745]

約数ペア:

[(1, 28101745), (5, 5620349), (7, 4014535), (23, 1221815), (35, 802907), (49, 573505), (115, 244363), (161, 174545), (245, 114701), (805, 34909), (1127, 24935), (4987, 5635)]