24949925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 41580672

約数和(自身を除く): 16630747

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 997, 1001, 1925, 2275, 3575, 4985, 5005, 6979, 10967, 12961, 24925, 25025, 34895, 54835, 64805, 76769, 90727, 142571, 174475, 274175, 324025, 383845, 453635, 712855, 997997, 1919225, 2268175, 3564275, 4989985, 24949925]

約数ペア:

[(1, 24949925), (5, 4989985), (7, 3564275), (11, 2268175), (13, 1919225), (25, 997997), (35, 712855), (55, 453635), (65, 383845), (77, 324025), (91, 274175), (143, 174475), (175, 142571), (275, 90727), (325, 76769), (385, 64805), (455, 54835), (715, 34895), (997, 25025), (1001, 24925), (1925, 12961), (2275, 10967), (3575, 6979), (4985, 5005)]