996886280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1917089}}^1$

素因数の和:1917113

約数の個数: 32

約数和(自身を含む): 2415533400

約数和(自身を除く): 1418647120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1917089, 3834178, 7668356, 9585445, 15336712, 19170890, 24922157, 38341780, 49844314, 76683560, 99688628, 124610785, 199377256, 249221570, 498443140, 996886280]

約数ペア:

[(1, 996886280), (2, 498443140), (4, 249221570), (5, 199377256), (8, 124610785), (10, 99688628), (13, 76683560), (20, 49844314), (26, 38341780), (40, 24922157), (52, 19170890), (65, 15336712), (104, 9585445), (130, 7668356), (260, 3834178), (520, 1917089)]