18315280225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 26936561664

約数和(自身を除く): 8621281439

約数列:

[1, 5, 11, 17, 25, 53, 55, 85, 187, 193, 265, 275, 383, 425, 583, 901, 935, 965, 1325, 1915, 2123, 2915, 3281, 4213, 4505, 4675, 4825, 6511, 9575, 9911, 10229, 10615, 14575, 16405, 20299, 21065, 22525, 32555, 36091, 49555, 51145, 53075, 71621, 73919, 82025, 101495, 105325, 112519, 162775, 173893, 180455, 223289, 247775, 255725, 345083, 358105, 369595, 507475, 562595, 813109, 869465, 902275, 1116445, 1256623, 1725415, 1790525, 1847975, 1912823, 2812975, 3795913, 3917707, 4065545, 4347325, 5582225, 6283115, 8627075, 9564115, 13822853, 18979565, 19588535, 20327725, 31415575, 43094777, 47820575, 66601019, 69114265, 94897825, 97942675, 215473885, 333005095, 345571325, 732611209, 1077369425, 1665025475, 3663056045, 18315280225]

約数ペア:

[(1, 18315280225), (5, 3663056045), (11, 1665025475), (17, 1077369425), (25, 732611209), (53, 345571325), (55, 333005095), (85, 215473885), (187, 97942675), (193, 94897825), (265, 69114265), (275, 66601019), (383, 47820575), (425, 43094777), (583, 31415575), (901, 20327725), (935, 19588535), (965, 18979565), (1325, 13822853), (1915, 9564115), (2123, 8627075), (2915, 6283115), (3281, 5582225), (4213, 4347325), (4505, 4065545), (4675, 3917707), (4825, 3795913), (6511, 2812975), (9575, 1912823), (9911, 1847975), (10229, 1790525), (10615, 1725415), (14575, 1256623), (16405, 1116445), (20299, 902275), (21065, 869465), (22525, 813109), (32555, 562595), (36091, 507475), (49555, 369595), (51145, 358105), (53075, 345083), (71621, 255725), (73919, 247775), (82025, 223289), (101495, 180455), (105325, 173893), (112519, 162775)]