206880905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 332978688

約数和(自身を除く): 126097783

約数列:

[1, 5, 7, 11, 17, 35, 55, 73, 77, 85, 119, 187, 365, 385, 433, 511, 595, 803, 935, 1241, 1309, 2165, 2555, 3031, 4015, 4763, 5621, 6205, 6545, 7361, 8687, 13651, 15155, 23815, 28105, 31609, 33341, 36805, 43435, 51527, 68255, 80971, 95557, 158045, 166705, 221263, 257635, 347699, 404855, 477785, 537353, 566797, 1106315, 1738495, 2433893, 2686765, 2833985, 3761471, 5910883, 12169465, 18807355, 29554415, 41376181, 206880905]

約数ペア:

[(1, 206880905), (5, 41376181), (7, 29554415), (11, 18807355), (17, 12169465), (35, 5910883), (55, 3761471), (73, 2833985), (77, 2686765), (85, 2433893), (119, 1738495), (187, 1106315), (365, 566797), (385, 537353), (433, 477785), (511, 404855), (595, 347699), (803, 257635), (935, 221263), (1241, 166705), (1309, 158045), (2165, 95557), (2555, 80971), (3031, 68255), (4015, 51527), (4763, 43435), (5621, 36805), (6205, 33341), (6545, 31609), (7361, 28105), (8687, 23815), (13651, 15155)]