28387222

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 43158672

約数和(自身を除く): 14771450

約数列:

[1, 2, 137, 274, 313, 331, 626, 662, 42881, 45347, 85762, 90694, 103603, 207206, 14193611, 28387222]

約数ペア:

[(1, 28387222), (2, 14193611), (137, 207206), (274, 103603), (313, 90694), (331, 85762), (626, 45347), (662, 42881)]