28437738

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 66632544

約数和(自身を除く): 38194806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 394, 491, 591, 982, 1182, 1379, 1473, 2758, 2946, 3437, 4137, 6874, 8274, 9653, 10311, 19306, 20622, 24059, 28959, 48118, 57918, 72177, 96727, 144354, 193454, 290181, 580362, 677089, 1354178, 2031267, 4062534, 4739623, 9479246, 14218869, 28437738]

約数ペア:

[(1, 28437738), (2, 14218869), (3, 9479246), (6, 4739623), (7, 4062534), (14, 2031267), (21, 1354178), (42, 677089), (49, 580362), (98, 290181), (147, 193454), (197, 144354), (294, 96727), (394, 72177), (491, 57918), (591, 48118), (982, 28959), (1182, 24059), (1379, 20622), (1473, 19306), (2758, 10311), (2946, 9653), (3437, 8274), (4137, 6874)]