121771628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{20201}}^1$

素因数の和:20353

約数の個数: 24

約数和(自身を含む): 234181584

約数和(自身を除く): 112409956

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 20201, 40402, 80804, 222211, 444422, 888844, 2767537, 5535074, 11070148, 30442907, 60885814, 121771628]

約数ペア:

[(1, 121771628), (2, 60885814), (4, 30442907), (11, 11070148), (22, 5535074), (44, 2767537), (137, 888844), (274, 444422), (548, 222211), (1507, 80804), (3014, 40402), (6028, 20201)]