28012765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3373}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 36925056

約数和(自身を除く): 8912291

約数列:

[1, 5, 11, 55, 151, 755, 1661, 3373, 8305, 16865, 37103, 185515, 509323, 2546615, 5602553, 28012765]

約数ペア:

[(1, 28012765), (5, 5602553), (11, 2546615), (55, 509323), (151, 185515), (755, 37103), (1661, 16865), (3373, 8305)]