1900231445

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{345811}}^1$

素因数の和:345980

約数の個数: 16

約数和(自身を含む): 2622638208

約数和(自身を除く): 722406763

約数列:

[1, 5, 7, 35, 157, 785, 1099, 5495, 345811, 1729055, 2420677, 12103385, 54292327, 271461635, 380046289, 1900231445]

約数ペア:

[(1, 1900231445), (5, 380046289), (7, 271461635), (35, 54292327), (157, 12103385), (785, 2420677), (1099, 1729055), (5495, 345811)]