55721778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 136581120

約数和(自身を除く): 80859342

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 37, 42, 46, 69, 74, 111, 138, 161, 222, 259, 322, 483, 518, 777, 851, 966, 1554, 1559, 1702, 2553, 3118, 4677, 5106, 5957, 9354, 10913, 11914, 17871, 21826, 32739, 35742, 35857, 57683, 65478, 71714, 107571, 115366, 173049, 215142, 250999, 346098, 403781, 501998, 752997, 807562, 1211343, 1326709, 1505994, 2422686, 2653418, 3980127, 7960254, 9286963, 18573926, 27860889, 55721778]

約数ペア:

[(1, 55721778), (2, 27860889), (3, 18573926), (6, 9286963), (7, 7960254), (14, 3980127), (21, 2653418), (23, 2422686), (37, 1505994), (42, 1326709), (46, 1211343), (69, 807562), (74, 752997), (111, 501998), (138, 403781), (161, 346098), (222, 250999), (259, 215142), (322, 173049), (483, 115366), (518, 107571), (777, 71714), (851, 65478), (966, 57683), (1554, 35857), (1559, 35742), (1702, 32739), (2553, 21826), (3118, 17871), (4677, 11914), (5106, 10913), (5957, 9354)]