8912890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 18474624

約数和(自身を除く): 9561734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 811, 1099, 1570, 1622, 2198, 4055, 5495, 5677, 8110, 10990, 11354, 28385, 56770, 127327, 254654, 636635, 891289, 1273270, 1782578, 4456445, 8912890]

約数ペア:

[(1, 8912890), (2, 4456445), (5, 1782578), (7, 1273270), (10, 891289), (14, 636635), (35, 254654), (70, 127327), (157, 56770), (314, 28385), (785, 11354), (811, 10990), (1099, 8110), (1570, 5677), (1622, 5495), (2198, 4055)]