128519996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 259338240

約数和(自身を除く): 130818244

約数列:

[1, 2, 4, 11, 22, 29, 44, 47, 58, 94, 116, 188, 319, 517, 638, 1034, 1276, 1363, 2068, 2143, 2726, 4286, 5452, 8572, 14993, 23573, 29986, 47146, 59972, 62147, 94292, 100721, 124294, 201442, 248588, 402884, 683617, 1107931, 1367234, 2215862, 2734468, 2920909, 4431724, 5841818, 11683636, 32129999, 64259998, 128519996]

約数ペア:

[(1, 128519996), (2, 64259998), (4, 32129999), (11, 11683636), (22, 5841818), (29, 4431724), (44, 2920909), (47, 2734468), (58, 2215862), (94, 1367234), (116, 1107931), (188, 683617), (319, 402884), (517, 248588), (638, 201442), (1034, 124294), (1276, 100721), (1363, 94292), (2068, 62147), (2143, 59972), (2726, 47146), (4286, 29986), (5452, 23573), (8572, 14993)]