217610315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 297408672

約数和(自身を除く): 79798357

約数列:

[1, 5, 13, 43, 53, 65, 113, 169, 215, 265, 559, 565, 689, 845, 1469, 2279, 2795, 3445, 4859, 5989, 7267, 7345, 8957, 11395, 19097, 24295, 29627, 29945, 36335, 44785, 63167, 77857, 95485, 148135, 257527, 315835, 385151, 389285, 821171, 1012141, 1287635, 1925755, 3347851, 4105855, 5060705, 16739255, 43522063, 217610315]

約数ペア:

[(1, 217610315), (5, 43522063), (13, 16739255), (43, 5060705), (53, 4105855), (65, 3347851), (113, 1925755), (169, 1287635), (215, 1012141), (265, 821171), (559, 389285), (565, 385151), (689, 315835), (845, 257527), (1469, 148135), (2279, 95485), (2795, 77857), (3445, 63167), (4859, 44785), (5989, 36335), (7267, 29945), (7345, 29627), (8957, 24295), (11395, 19097)]