28457330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258703}}^1$

素因数の和:258721

約数の個数: 16

約数和(自身を含む): 55880064

約数和(自身を除く): 27422734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258703, 517406, 1293515, 2587030, 2845733, 5691466, 14228665, 28457330]

約数ペア:

[(1, 28457330), (2, 14228665), (5, 5691466), (10, 2845733), (11, 2587030), (22, 1293515), (55, 517406), (110, 258703)]