208833155

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 264971520

約数和(自身を除く): 56138365

約数列:

[1, 5, 43, 59, 101, 163, 215, 295, 505, 815, 2537, 4343, 5959, 7009, 9617, 12685, 16463, 21715, 29795, 35045, 48085, 82315, 256237, 413531, 707909, 971317, 1281185, 2067655, 3539545, 4856585, 41766631, 208833155]

約数ペア:

[(1, 208833155), (5, 41766631), (43, 4856585), (59, 3539545), (101, 2067655), (163, 1281185), (215, 971317), (295, 707909), (505, 413531), (815, 256237), (2537, 82315), (4343, 48085), (5959, 35045), (7009, 29795), (9617, 21715), (12685, 16463)]