28139390

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{22157}}^1$

素因数の和:22291

約数の個数: 16

約数和(自身を含む): 51052032

約数和(自身を除く): 22912642

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 22157, 44314, 110785, 221570, 2813939, 5627878, 14069695, 28139390]

約数ペア:

[(1, 28139390), (2, 14069695), (5, 5627878), (10, 2813939), (127, 221570), (254, 110785), (635, 44314), (1270, 22157)]