217232015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43403}}^1$

素因数の和:43439

約数の個数: 32

約数和(自身を含む): 350009856

約数和(自身を除く): 132777841

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 43403, 217015, 303821, 477433, 564239, 1519105, 2387165, 2821195, 3342031, 3949673, 6206629, 16710155, 19748365, 31033145, 43446403, 217232015]

約数ペア:

[(1, 217232015), (5, 43446403), (7, 31033145), (11, 19748365), (13, 16710155), (35, 6206629), (55, 3949673), (65, 3342031), (77, 2821195), (91, 2387165), (143, 1519105), (385, 564239), (455, 477433), (715, 303821), (1001, 217015), (5005, 43403)]