400690082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1801}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 666019200

約数和(自身を除く): 265329118

約数列:

[1, 2, 13, 26, 43, 86, 199, 398, 559, 1118, 1801, 2587, 3602, 5174, 8557, 17114, 23413, 46826, 77443, 111241, 154886, 222482, 358399, 716798, 1006759, 2013518, 4659187, 9318374, 15411157, 30822314, 200345041, 400690082]

約数ペア:

[(1, 400690082), (2, 200345041), (13, 30822314), (26, 15411157), (43, 9318374), (86, 4659187), (199, 2013518), (398, 1006759), (559, 716798), (1118, 358399), (1801, 222482), (2587, 154886), (3602, 111241), (5174, 77443), (8557, 46826), (17114, 23413)]