617644415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{38639}}^1$

素因数の和:38806

約数の個数: 16

約数和(自身を含む): 778982400

約数和(自身を除く): 161337985

約数列:

[1, 5, 23, 115, 139, 695, 3197, 15985, 38639, 193195, 888697, 4443485, 5370821, 26854105, 123528883, 617644415]

約数ペア:

[(1, 617644415), (5, 123528883), (23, 26854105), (115, 5370821), (139, 4443485), (695, 888697), (3197, 193195), (15985, 38639)]