161915728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25111}}^1$

素因数の和:25163

約数の個数: 40

約数和(自身を含む): 348755456

約数和(自身を除く): 186839728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 25111, 50222, 100444, 200888, 326443, 401776, 652886, 778441, 1305772, 1556882, 2611544, 3113764, 5223088, 6227528, 10119733, 12455056, 20239466, 40478932, 80957864, 161915728]

約数ペア:

[(1, 161915728), (2, 80957864), (4, 40478932), (8, 20239466), (13, 12455056), (16, 10119733), (26, 6227528), (31, 5223088), (52, 3113764), (62, 2611544), (104, 1556882), (124, 1305772), (208, 778441), (248, 652886), (403, 401776), (496, 326443), (806, 200888), (1612, 100444), (3224, 50222), (6448, 25111)]