1284697925

素因数分解:

$5^2\times 7^3\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 1868630400

約数和(自身を除く): 583932475

約数列:

[1, 5, 7, 25, 35, 49, 175, 233, 245, 343, 643, 1165, 1225, 1631, 1715, 3215, 4501, 5825, 8155, 8575, 11417, 16075, 22505, 31507, 40775, 57085, 79919, 112525, 149819, 157535, 220549, 285425, 399595, 749095, 787675, 1048733, 1102745, 1997975, 3745475, 5243665, 5513725, 7341131, 26218325, 36705655, 51387917, 183528275, 256939585, 1284697925]

約数ペア:

[(1, 1284697925), (5, 256939585), (7, 183528275), (25, 51387917), (35, 36705655), (49, 26218325), (175, 7341131), (233, 5513725), (245, 5243665), (343, 3745475), (643, 1997975), (1165, 1102745), (1225, 1048733), (1631, 787675), (1715, 749095), (3215, 399595), (4501, 285425), (5825, 220549), (8155, 157535), (8575, 149819), (11417, 112525), (16075, 79919), (22505, 57085), (31507, 40775)]