28212644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 26118556

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 89, 97, 172, 178, 194, 356, 388, 817, 1634, 1691, 1843, 3268, 3382, 3686, 3827, 4171, 6764, 7372, 7654, 8342, 8633, 15308, 16684, 17266, 34532, 72713, 79249, 145426, 158498, 164027, 290852, 316996, 328054, 371219, 656108, 742438, 1484876, 7053161, 14106322, 28212644]

約数ペア:

[(1, 28212644), (2, 14106322), (4, 7053161), (19, 1484876), (38, 742438), (43, 656108), (76, 371219), (86, 328054), (89, 316996), (97, 290852), (172, 164027), (178, 158498), (194, 145426), (356, 79249), (388, 72713), (817, 34532), (1634, 17266), (1691, 16684), (1843, 15308), (3268, 8633), (3382, 8342), (3686, 7654), (3827, 7372), (4171, 6764)]