221427984

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1636

約数の個数: 80

約数和(自身を含む): 593961984

約数和(自身を除く): 372534000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 71, 86, 129, 142, 172, 213, 258, 284, 344, 426, 516, 568, 688, 852, 1032, 1136, 1511, 1704, 2064, 3022, 3053, 3408, 4533, 6044, 6106, 9066, 9159, 12088, 12212, 18132, 18318, 24176, 24424, 36264, 36636, 48848, 64973, 72528, 73272, 107281, 129946, 146544, 194919, 214562, 259892, 321843, 389838, 429124, 519784, 643686, 779676, 858248, 1039568, 1287372, 1559352, 1716496, 2574744, 3118704, 4613083, 5149488, 9226166, 13839249, 18452332, 27678498, 36904664, 55356996, 73809328, 110713992, 221427984]

約数ペア:

[(1, 221427984), (2, 110713992), (3, 73809328), (4, 55356996), (6, 36904664), (8, 27678498), (12, 18452332), (16, 13839249), (24, 9226166), (43, 5149488), (48, 4613083), (71, 3118704), (86, 2574744), (129, 1716496), (142, 1559352), (172, 1287372), (213, 1039568), (258, 858248), (284, 779676), (344, 643686), (426, 519784), (516, 429124), (568, 389838), (688, 321843), (852, 259892), (1032, 214562), (1136, 194919), (1511, 146544), (1704, 129946), (2064, 107281), (3022, 73272), (3053, 72528), (3408, 64973), (4533, 48848), (6044, 36636), (6106, 36264), (9066, 24424), (9159, 24176), (12088, 18318), (12212, 18132)]