28431140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83621}}^1$

素因数の和:83647

約数の個数: 24

約数和(自身を含む): 63218232

約数和(自身を除く): 34787092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83621, 167242, 334484, 418105, 836210, 1421557, 1672420, 2843114, 5686228, 7107785, 14215570, 28431140]

約数ペア:

[(1, 28431140), (2, 14215570), (4, 7107785), (5, 5686228), (10, 2843114), (17, 1672420), (20, 1421557), (34, 836210), (68, 418105), (85, 334484), (170, 167242), (340, 83621)]