857568985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4973}}^1$

素因数の和:5377

約数の個数: 32

約数和(自身を含む): 1270160640

約数和(自身を除く): 412591655

約数列:

[1, 5, 7, 13, 35, 65, 91, 379, 455, 1895, 2653, 4927, 4973, 13265, 24635, 24865, 34489, 34811, 64649, 172445, 174055, 323245, 452543, 1884767, 2262715, 9423835, 13193369, 24501971, 65966845, 122509855, 171513797, 857568985]

約数ペア:

[(1, 857568985), (5, 171513797), (7, 122509855), (13, 65966845), (35, 24501971), (65, 13193369), (91, 9423835), (379, 2262715), (455, 1884767), (1895, 452543), (2653, 323245), (4927, 174055), (4973, 172445), (13265, 64649), (24635, 34811), (24865, 34489)]