28005978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4663}}^1$

素因数の和:4699

約数の個数: 64

約数和(自身を含む): 75220992

約数和(自身を除く): 47215014

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 4663, 6006, 9326, 13989, 27978, 32641, 51293, 60619, 65282, 97923, 102586, 121238, 153879, 181857, 195846, 307758, 359051, 363714, 424333, 666809, 718102, 848666, 1077153, 1272999, 1333618, 2000427, 2154306, 2545998, 4000854, 4667663, 9335326, 14002989, 28005978]

約数ペア:

[(1, 28005978), (2, 14002989), (3, 9335326), (6, 4667663), (7, 4000854), (11, 2545998), (13, 2154306), (14, 2000427), (21, 1333618), (22, 1272999), (26, 1077153), (33, 848666), (39, 718102), (42, 666809), (66, 424333), (77, 363714), (78, 359051), (91, 307758), (143, 195846), (154, 181857), (182, 153879), (231, 121238), (273, 102586), (286, 97923), (429, 65282), (462, 60619), (546, 51293), (858, 32641), (1001, 27978), (2002, 13989), (3003, 9326), (4663, 6006)]