28953808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139201}}^1$

素因数の和:139222

約数の個数: 20

約数和(自身を含む): 60413668

約数和(自身を除く): 31459860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139201, 278402, 556804, 1113608, 1809613, 2227216, 3619226, 7238452, 14476904, 28953808]

約数ペア:

[(1, 28953808), (2, 14476904), (4, 7238452), (8, 3619226), (13, 2227216), (16, 1809613), (26, 1113608), (52, 556804), (104, 278402), (208, 139201)]