28041704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 30744856

約数列:

[1, 2, 4, 8, 17, 34, 41, 47, 68, 82, 94, 107, 136, 164, 188, 214, 328, 376, 428, 697, 799, 856, 1394, 1598, 1819, 1927, 2788, 3196, 3638, 3854, 4387, 5029, 5576, 6392, 7276, 7708, 8774, 10058, 14552, 15416, 17548, 20116, 32759, 35096, 40232, 65518, 74579, 85493, 131036, 149158, 170986, 206189, 262072, 298316, 341972, 412378, 596632, 683944, 824756, 1649512, 3505213, 7010426, 14020852, 28041704]

約数ペア:

[(1, 28041704), (2, 14020852), (4, 7010426), (8, 3505213), (17, 1649512), (34, 824756), (41, 683944), (47, 596632), (68, 412378), (82, 341972), (94, 298316), (107, 262072), (136, 206189), (164, 170986), (188, 149158), (214, 131036), (328, 85493), (376, 74579), (428, 65518), (697, 40232), (799, 35096), (856, 32759), (1394, 20116), (1598, 17548), (1819, 15416), (1927, 14552), (2788, 10058), (3196, 8774), (3638, 7708), (3854, 7276), (4387, 6392), (5029, 5576)]