12872222

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1304

約数の個数: 24

約数和(自身を含む): 21734328

約数和(自身を除く): 8862106

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1237, 2474, 5203, 10406, 13607, 27214, 53191, 106382, 149677, 299354, 585101, 1170202, 6436111, 12872222]

約数ペア:

[(1, 12872222), (2, 6436111), (11, 1170202), (22, 585101), (43, 299354), (86, 149677), (121, 106382), (242, 53191), (473, 27214), (946, 13607), (1237, 10406), (2474, 5203)]