28205576

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 65040000

約数和(自身を除く): 36834424

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 532, 541, 686, 931, 1064, 1082, 1372, 1862, 2164, 2744, 3724, 3787, 4328, 6517, 7448, 7574, 10279, 13034, 15148, 20558, 26068, 26509, 30296, 41116, 52136, 53018, 71953, 82232, 106036, 143906, 185563, 212072, 287812, 371126, 503671, 575624, 742252, 1007342, 1484504, 2014684, 3525697, 4029368, 7051394, 14102788, 28205576]

約数ペア:

[(1, 28205576), (2, 14102788), (4, 7051394), (7, 4029368), (8, 3525697), (14, 2014684), (19, 1484504), (28, 1007342), (38, 742252), (49, 575624), (56, 503671), (76, 371126), (98, 287812), (133, 212072), (152, 185563), (196, 143906), (266, 106036), (343, 82232), (392, 71953), (532, 53018), (541, 52136), (686, 41116), (931, 30296), (1064, 26509), (1082, 26068), (1372, 20558), (1862, 15148), (2164, 13034), (2744, 10279), (3724, 7574), (3787, 7448), (4328, 6517)]