216948985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{701}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 302050944

約数和(自身を除く): 85101959

約数列:

[1, 5, 11, 17, 55, 85, 187, 331, 701, 935, 1655, 3505, 3641, 5627, 7711, 11917, 18205, 28135, 38555, 59585, 61897, 131087, 232031, 309485, 655435, 1160155, 2552341, 3944527, 12761705, 19722635, 43389797, 216948985]

約数ペア:

[(1, 216948985), (5, 43389797), (11, 19722635), (17, 12761705), (55, 3944527), (85, 2552341), (187, 1160155), (331, 655435), (701, 309485), (935, 232031), (1655, 131087), (3505, 61897), (3641, 59585), (5627, 38555), (7711, 28135), (11917, 18205)]