28898081125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{599}}^1$

素因数の和:1015

約数の個数: 64

約数和(自身を含む): 38898662400

約数和(自身を除く): 10000581275

約数列:

[1, 5, 17, 25, 73, 85, 125, 311, 365, 425, 599, 1241, 1555, 1825, 2125, 2995, 5287, 6205, 7775, 9125, 10183, 14975, 22703, 26435, 31025, 38875, 43727, 50915, 74875, 113515, 132175, 155125, 186289, 218635, 254575, 385951, 567575, 660875, 743359, 931445, 1093175, 1272875, 1929755, 2837875, 3166913, 3716795, 4657225, 5465875, 9648775, 13599097, 15834565, 18583975, 23286125, 48243875, 67995485, 79172825, 92919875, 231184649, 339977425, 395864125, 1155923245, 1699887125, 5779616225, 28898081125]

約数ペア:

[(1, 28898081125), (5, 5779616225), (17, 1699887125), (25, 1155923245), (73, 395864125), (85, 339977425), (125, 231184649), (311, 92919875), (365, 79172825), (425, 67995485), (599, 48243875), (1241, 23286125), (1555, 18583975), (1825, 15834565), (2125, 13599097), (2995, 9648775), (5287, 5465875), (6205, 4657225), (7775, 3716795), (9125, 3166913), (10183, 2837875), (14975, 1929755), (22703, 1272875), (26435, 1093175), (31025, 931445), (38875, 743359), (43727, 660875), (50915, 567575), (74875, 385951), (113515, 254575), (132175, 218635), (155125, 186289)]