18317075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 28283904

約数和(自身を除く): 9966829

約数列:

[1, 5, 7, 17, 25, 35, 47, 85, 119, 131, 175, 235, 329, 425, 595, 655, 799, 917, 1175, 1645, 2227, 2975, 3275, 3995, 4585, 5593, 6157, 8225, 11135, 15589, 19975, 22925, 27965, 30785, 43099, 55675, 77945, 104669, 139825, 153925, 215495, 389725, 523345, 732683, 1077475, 2616725, 3663415, 18317075]

約数ペア:

[(1, 18317075), (5, 3663415), (7, 2616725), (17, 1077475), (25, 732683), (35, 523345), (47, 389725), (85, 215495), (119, 153925), (131, 139825), (175, 104669), (235, 77945), (329, 55675), (425, 43099), (595, 30785), (655, 27965), (799, 22925), (917, 19975), (1175, 15589), (1645, 11135), (2227, 8225), (2975, 6157), (3275, 5593), (3995, 4585)]