898491140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2642621}}^1$

素因数の和:2642647

約数の個数: 24

約数和(自身を含む): 1997822232

約数和(自身を除く): 1099331092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2642621, 5285242, 10570484, 13213105, 26426210, 44924557, 52852420, 89849114, 179698228, 224622785, 449245570, 898491140]

約数ペア:

[(1, 898491140), (2, 449245570), (4, 224622785), (5, 179698228), (10, 89849114), (17, 52852420), (20, 44924557), (34, 26426210), (68, 13213105), (85, 10570484), (170, 5285242), (340, 2642621)]