25299248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121631}}^1$

素因数の和:121652

約数の個数: 20

約数和(自身を含む): 52788288

約数和(自身を除く): 27489040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121631, 243262, 486524, 973048, 1581203, 1946096, 3162406, 6324812, 12649624, 25299248]

約数ペア:

[(1, 25299248), (2, 12649624), (4, 6324812), (8, 3162406), (13, 1946096), (16, 1581203), (26, 973048), (52, 486524), (104, 243262), (208, 121631)]