1312145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 1710720

約数和(自身を除く): 398575

約数列:

[1, 5, 17, 43, 85, 215, 359, 731, 1795, 3655, 6103, 15437, 30515, 77185, 262429, 1312145]

約数ペア:

[(1, 1312145), (5, 262429), (17, 77185), (43, 30515), (85, 15437), (215, 6103), (359, 3655), (731, 1795)]