28537808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137201}}^1$

素因数の和:137222

約数の個数: 20

約数和(自身を含む): 59545668

約数和(自身を除く): 31007860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137201, 274402, 548804, 1097608, 1783613, 2195216, 3567226, 7134452, 14268904, 28537808]

約数ペア:

[(1, 28537808), (2, 14268904), (4, 7134452), (8, 3567226), (13, 2195216), (16, 1783613), (26, 1097608), (52, 548804), (104, 274402), (208, 137201)]