989428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 1915200

約数和(自身を除く): 925772

約数列:

[1, 2, 4, 11, 22, 44, 113, 199, 226, 398, 452, 796, 1243, 2189, 2486, 4378, 4972, 8756, 22487, 44974, 89948, 247357, 494714, 989428]

約数ペア:

[(1, 989428), (2, 494714), (4, 247357), (11, 89948), (22, 44974), (44, 22487), (113, 8756), (199, 4972), (226, 4378), (398, 2486), (452, 2189), (796, 1243)]