128875628

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{112261}}^1$

素因数の和:112313

約数の個数: 24

約数和(自身を含む): 264040224

約数和(自身を除く): 135164596

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 112261, 224522, 449044, 785827, 1571654, 3143308, 4602701, 9205402, 18410804, 32218907, 64437814, 128875628]

約数ペア:

[(1, 128875628), (2, 64437814), (4, 32218907), (7, 18410804), (14, 9205402), (28, 4602701), (41, 3143308), (82, 1571654), (164, 785827), (287, 449044), (574, 224522), (1148, 112261)]