2215590910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{396349}}^1$

素因数の和:396412

約数の個数: 32

約数和(自身を含む): 4394728800

約数和(自身を除く): 2179137890

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 396349, 792698, 1981745, 3963490, 5152537, 10305074, 17043007, 25762685, 34086014, 51525370, 85215035, 170430070, 221559091, 443118182, 1107795455, 2215590910]

約数ペア:

[(1, 2215590910), (2, 1107795455), (5, 443118182), (10, 221559091), (13, 170430070), (26, 85215035), (43, 51525370), (65, 34086014), (86, 25762685), (130, 17043007), (215, 10305074), (430, 5152537), (559, 3963490), (1118, 1981745), (2795, 792698), (5590, 396349)]