211318276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{312601}}^1$

素因数の和:312631

約数の個数: 18

約数和(自身を含む): 400443162

約数和(自身を除く): 189124886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 312601, 625202, 1250404, 4063813, 8127626, 16255252, 52829569, 105659138, 211318276]

約数ペア:

[(1, 211318276), (2, 105659138), (4, 52829569), (13, 16255252), (26, 8127626), (52, 4063813), (169, 1250404), (338, 625202), (676, 312601)]