389619035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{315481}}^1$

素因数の和:315518

約数の個数: 16

約数和(自身を含む): 530009760

約数和(自身を除く): 140390725

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 315481, 1577405, 4101253, 5994139, 20506265, 29970695, 77923807, 389619035]

約数ペア:

[(1, 389619035), (5, 77923807), (13, 29970695), (19, 20506265), (65, 5994139), (95, 4101253), (247, 1577405), (1235, 315481)]