28218866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 47566848

約数和(自身を除く): 19347982

約数列:

[1, 2, 13, 26, 31, 62, 157, 223, 314, 403, 446, 806, 2041, 2899, 4082, 4867, 5798, 6913, 9734, 13826, 35011, 63271, 70022, 89869, 126542, 179738, 455143, 910286, 1085341, 2170682, 14109433, 28218866]

約数ペア:

[(1, 28218866), (2, 14109433), (13, 2170682), (26, 1085341), (31, 910286), (62, 455143), (157, 179738), (223, 126542), (314, 89869), (403, 70022), (446, 63271), (806, 35011), (2041, 13826), (2899, 9734), (4082, 6913), (4867, 5798)]