30871865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 10600135

約数列:

[1, 5, 19, 23, 71, 95, 115, 199, 355, 437, 995, 1349, 1633, 2185, 3781, 4577, 6745, 8165, 14129, 18905, 22885, 31027, 70645, 86963, 155135, 268451, 324967, 434815, 1342255, 1624835, 6174373, 30871865]

約数ペア:

[(1, 30871865), (5, 6174373), (19, 1624835), (23, 1342255), (71, 434815), (95, 324967), (115, 268451), (199, 155135), (355, 86963), (437, 70645), (995, 31027), (1349, 22885), (1633, 18905), (2185, 14129), (3781, 8165), (4577, 6745)]