979000990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{67939}}^1$

素因数の和:68088

約数の個数: 32

約数和(自身を含む): 1937105280

約数和(自身を除く): 958104290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 67939, 135878, 339695, 679390, 747329, 1494658, 3736645, 7473290, 8900009, 17800018, 44500045, 89000090, 97900099, 195800198, 489500495, 979000990]

約数ペア:

[(1, 979000990), (2, 489500495), (5, 195800198), (10, 97900099), (11, 89000090), (22, 44500045), (55, 17800018), (110, 8900009), (131, 7473290), (262, 3736645), (655, 1494658), (1310, 747329), (1441, 679390), (2882, 339695), (7205, 135878), (14410, 67939)]