25420984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 27922376

約数列:

[1, 2, 4, 8, 17, 34, 41, 47, 68, 82, 94, 97, 136, 164, 188, 194, 328, 376, 388, 697, 776, 799, 1394, 1598, 1649, 1927, 2788, 3196, 3298, 3854, 3977, 4559, 5576, 6392, 6596, 7708, 7954, 9118, 13192, 15416, 15908, 18236, 31816, 32759, 36472, 65518, 67609, 77503, 131036, 135218, 155006, 186919, 262072, 270436, 310012, 373838, 540872, 620024, 747676, 1495352, 3177623, 6355246, 12710492, 25420984]

約数ペア:

[(1, 25420984), (2, 12710492), (4, 6355246), (8, 3177623), (17, 1495352), (34, 747676), (41, 620024), (47, 540872), (68, 373838), (82, 310012), (94, 270436), (97, 262072), (136, 186919), (164, 155006), (188, 135218), (194, 131036), (328, 77503), (376, 67609), (388, 65518), (697, 36472), (776, 32759), (799, 31816), (1394, 18236), (1598, 15908), (1649, 15416), (1927, 13192), (2788, 9118), (3196, 7954), (3298, 7708), (3854, 6596), (3977, 6392), (4559, 5576)]