201551818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 338349312

約数和(自身を除く): 136797494

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 533, 923, 1066, 1846, 2663, 2911, 5326, 5822, 34619, 37843, 69238, 75686, 109183, 189073, 218366, 378146, 1419379, 2457949, 2838758, 4915898, 7751993, 15503986, 100775909, 201551818]

約数ペア:

[(1, 201551818), (2, 100775909), (13, 15503986), (26, 7751993), (41, 4915898), (71, 2838758), (82, 2457949), (142, 1419379), (533, 378146), (923, 218366), (1066, 189073), (1846, 109183), (2663, 75686), (2911, 69238), (5326, 37843), (5822, 34619)]