155524985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 244629504

約数和(自身を除く): 89104519

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 83, 155, 157, 217, 341, 385, 415, 581, 785, 913, 1085, 1099, 1705, 1727, 2387, 2573, 2905, 4565, 4867, 5495, 6391, 8635, 11935, 12089, 12865, 13031, 18011, 24335, 28303, 31955, 34069, 53537, 60445, 65155, 90055, 91217, 141515, 143341, 170345, 198121, 267685, 374759, 403961, 456085, 716705, 990605, 1003387, 1873795, 2019805, 2827727, 4443571, 5016935, 14138635, 22217855, 31104997, 155524985]

約数ペア:

[(1, 155524985), (5, 31104997), (7, 22217855), (11, 14138635), (31, 5016935), (35, 4443571), (55, 2827727), (77, 2019805), (83, 1873795), (155, 1003387), (157, 990605), (217, 716705), (341, 456085), (385, 403961), (415, 374759), (581, 267685), (785, 198121), (913, 170345), (1085, 143341), (1099, 141515), (1705, 91217), (1727, 90055), (2387, 65155), (2573, 60445), (2905, 53537), (4565, 34069), (4867, 31955), (5495, 28303), (6391, 24335), (8635, 18011), (11935, 13031), (12089, 12865)]