28520226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 70918848

約数和(自身を除く): 42398622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 461, 491, 922, 982, 1383, 1473, 2766, 2946, 3227, 3437, 4149, 4419, 6454, 6874, 8298, 8838, 9681, 10311, 19362, 20622, 29043, 30933, 58086, 61866, 226351, 452702, 679053, 1358106, 1584457, 2037159, 3168914, 4074318, 4753371, 9506742, 14260113, 28520226]

約数ペア:

[(1, 28520226), (2, 14260113), (3, 9506742), (6, 4753371), (7, 4074318), (9, 3168914), (14, 2037159), (18, 1584457), (21, 1358106), (42, 679053), (63, 452702), (126, 226351), (461, 61866), (491, 58086), (922, 30933), (982, 29043), (1383, 20622), (1473, 19362), (2766, 10311), (2946, 9681), (3227, 8838), (3437, 8298), (4149, 6874), (4419, 6454)]