61631905

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 75600000

約数和(自身を除く): 13968095

約数列:

[1, 5, 71, 139, 355, 695, 1249, 6245, 9869, 49345, 88679, 173611, 443395, 868055, 12326381, 61631905]

約数ペア:

[(1, 61631905), (5, 12326381), (71, 868055), (139, 443395), (355, 173611), (695, 88679), (1249, 49345), (6245, 9869)]