242542145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{66359}}^1$

素因数の和:66424

約数の個数: 16

約数和(自身を含む): 315342720

約数和(自身を除く): 72800575

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 66359, 331795, 1128103, 2853437, 5640515, 14267185, 48508429, 242542145]

約数ペア:

[(1, 242542145), (5, 48508429), (17, 14267185), (43, 5640515), (85, 2853437), (215, 1128103), (731, 331795), (3655, 66359)]