209133790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{1091}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 390368160

約数和(自身を除く): 181234370

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 661, 1091, 1322, 2182, 3305, 5455, 6610, 10910, 19169, 31639, 38338, 63278, 95845, 158195, 191690, 316390, 721151, 1442302, 3605755, 7211510, 20913379, 41826758, 104566895, 209133790]

約数ペア:

[(1, 209133790), (2, 104566895), (5, 41826758), (10, 20913379), (29, 7211510), (58, 3605755), (145, 1442302), (290, 721151), (661, 316390), (1091, 191690), (1322, 158195), (2182, 95845), (3305, 63278), (5455, 38338), (6610, 31639), (10910, 19169)]