28457226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3267

約数の個数: 48

約数和(自身を含む): 71480448

約数和(自身を除く): 43023222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 3181, 4473, 6362, 8946, 9543, 19086, 22267, 28629, 44534, 57258, 66801, 133602, 200403, 225851, 400806, 451702, 677553, 1355106, 1580957, 2032659, 3161914, 4065318, 4742871, 9485742, 14228613, 28457226]

約数ペア:

[(1, 28457226), (2, 14228613), (3, 9485742), (6, 4742871), (7, 4065318), (9, 3161914), (14, 2032659), (18, 1580957), (21, 1355106), (42, 677553), (63, 451702), (71, 400806), (126, 225851), (142, 200403), (213, 133602), (426, 66801), (497, 57258), (639, 44534), (994, 28629), (1278, 22267), (1491, 19086), (2982, 9543), (3181, 8946), (4473, 6362)]