4989985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 8047872

約数和(自身を除く): 3057887

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 997, 1001, 4985, 5005, 6979, 10967, 12961, 34895, 54835, 64805, 76769, 90727, 142571, 383845, 453635, 712855, 997997, 4989985]

約数ペア:

[(1, 4989985), (5, 997997), (7, 712855), (11, 453635), (13, 383845), (35, 142571), (55, 90727), (65, 76769), (77, 64805), (91, 54835), (143, 34895), (385, 12961), (455, 10967), (715, 6979), (997, 5005), (1001, 4985)]