2149789616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10335527}}^1$

素因数の和:10335548

約数の個数: 20

約数和(自身を含む): 4485619152

約数和(自身を除く): 2335829536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10335527, 20671054, 41342108, 82684216, 134361851, 165368432, 268723702, 537447404, 1074894808, 2149789616]

約数ペア:

[(1, 2149789616), (2, 1074894808), (4, 537447404), (8, 268723702), (13, 165368432), (16, 134361851), (26, 82684216), (52, 41342108), (104, 20671054), (208, 10335527)]