143968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:430

約数の個数: 24

約数和(自身を含む): 309960

約数和(自身を除く): 165992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 409, 818, 1636, 3272, 4499, 6544, 8998, 13088, 17996, 35992, 71984, 143968]

約数ペア:

[(1, 143968), (2, 71984), (4, 35992), (8, 17996), (11, 13088), (16, 8998), (22, 6544), (32, 4499), (44, 3272), (88, 1636), (176, 818), (352, 409)]