164023475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 255816960

約数和(自身を除く): 91793485

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 139, 175, 275, 385, 613, 695, 973, 1529, 1925, 3065, 3475, 4291, 4865, 6743, 7645, 10703, 15325, 21455, 24325, 33715, 38225, 47201, 53515, 85207, 107275, 168575, 236005, 267575, 426035, 596449, 937277, 1180025, 2130175, 2982245, 4686385, 6560939, 14911225, 23431925, 32804695, 164023475]

約数ペア:

[(1, 164023475), (5, 32804695), (7, 23431925), (11, 14911225), (25, 6560939), (35, 4686385), (55, 2982245), (77, 2130175), (139, 1180025), (175, 937277), (275, 596449), (385, 426035), (613, 267575), (695, 236005), (973, 168575), (1529, 107275), (1925, 85207), (3065, 53515), (3475, 47201), (4291, 38225), (4865, 33715), (6743, 24325), (7645, 21455), (10703, 15325)]