889988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 1723680

約数和(自身を除く): 833692

約数列:

[1, 2, 4, 11, 22, 44, 113, 179, 226, 358, 452, 716, 1243, 1969, 2486, 3938, 4972, 7876, 20227, 40454, 80908, 222497, 444994, 889988]

約数ペア:

[(1, 889988), (2, 444994), (4, 222497), (11, 80908), (22, 40454), (44, 20227), (113, 7876), (179, 4972), (226, 3938), (358, 2486), (452, 1969), (716, 1243)]