2178264

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 6128640

約数和(自身を除く): 3950376

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 223, 264, 296, 407, 444, 446, 669, 814, 888, 892, 1221, 1338, 1628, 1784, 2442, 2453, 2676, 3256, 4884, 4906, 5352, 7359, 8251, 9768, 9812, 14718, 16502, 19624, 24753, 29436, 33004, 49506, 58872, 66008, 90761, 99012, 181522, 198024, 272283, 363044, 544566, 726088, 1089132, 2178264]

約数ペア:

[(1, 2178264), (2, 1089132), (3, 726088), (4, 544566), (6, 363044), (8, 272283), (11, 198024), (12, 181522), (22, 99012), (24, 90761), (33, 66008), (37, 58872), (44, 49506), (66, 33004), (74, 29436), (88, 24753), (111, 19624), (132, 16502), (148, 14718), (222, 9812), (223, 9768), (264, 8251), (296, 7359), (407, 5352), (444, 4906), (446, 4884), (669, 3256), (814, 2676), (888, 2453), (892, 2442), (1221, 1784), (1338, 1628)]