28448729785

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{2579}}^1$

素因数の和:2878

約数の個数: 64

約数和(自身を含む): 41515130880

約数和(自身を除く): 13066401095

約数列:

[1, 5, 7, 23, 35, 71, 115, 161, 193, 355, 497, 805, 965, 1351, 1633, 2485, 2579, 4439, 6755, 8165, 11431, 12895, 13703, 18053, 22195, 31073, 57155, 59317, 68515, 90265, 95921, 155365, 183109, 296585, 315169, 415219, 479605, 497747, 915545, 1281763, 1575845, 2076095, 2206183, 2488735, 3484229, 4211507, 6408815, 11030915, 11448181, 17421145, 21057535, 29480549, 35340037, 57240905, 80137267, 147402745, 176700185, 247380259, 400686335, 812820851, 1236901295, 4064104255, 5689745957, 28448729785]

約数ペア:

[(1, 28448729785), (5, 5689745957), (7, 4064104255), (23, 1236901295), (35, 812820851), (71, 400686335), (115, 247380259), (161, 176700185), (193, 147402745), (355, 80137267), (497, 57240905), (805, 35340037), (965, 29480549), (1351, 21057535), (1633, 17421145), (2485, 11448181), (2579, 11030915), (4439, 6408815), (6755, 4211507), (8165, 3484229), (11431, 2488735), (12895, 2206183), (13703, 2076095), (18053, 1575845), (22195, 1281763), (31073, 915545), (57155, 497747), (59317, 479605), (68515, 415219), (90265, 315169), (95921, 296585), (155365, 183109)]