28728644

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 30880444

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 107, 172, 214, 223, 301, 428, 446, 602, 749, 892, 1204, 1498, 1561, 2996, 3122, 4601, 6244, 9202, 9589, 18404, 19178, 23861, 32207, 38356, 47722, 64414, 67123, 95444, 128828, 134246, 167027, 268492, 334054, 668108, 1026023, 2052046, 4104092, 7182161, 14364322, 28728644]

約数ペア:

[(1, 28728644), (2, 14364322), (4, 7182161), (7, 4104092), (14, 2052046), (28, 1026023), (43, 668108), (86, 334054), (107, 268492), (172, 167027), (214, 134246), (223, 128828), (301, 95444), (428, 67123), (446, 64414), (602, 47722), (749, 38356), (892, 32207), (1204, 23861), (1498, 19178), (1561, 18404), (2996, 9589), (3122, 9202), (4601, 6244)]