198682145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 272004480

約数和(自身を除く): 73322335

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 731, 817, 1615, 2861, 3655, 4085, 13889, 14305, 48637, 54359, 69445, 123023, 243185, 271795, 615115, 924103, 2091391, 2337437, 4620515, 10456955, 11687185, 39736429, 198682145]

約数ペア:

[(1, 198682145), (5, 39736429), (17, 11687185), (19, 10456955), (43, 4620515), (85, 2337437), (95, 2091391), (215, 924103), (323, 615115), (731, 271795), (817, 243185), (1615, 123023), (2861, 69445), (3655, 54359), (4085, 48637), (13889, 14305)]