31770228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 87562944

約数和(自身を除く): 55792716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 761, 852, 994, 1491, 1522, 1988, 2283, 2982, 3044, 3479, 4566, 5327, 5964, 6958, 9132, 10437, 10654, 13916, 15981, 20874, 21308, 31962, 37289, 41748, 54031, 63924, 74578, 108062, 111867, 149156, 162093, 216124, 223734, 324186, 378217, 447468, 648372, 756434, 1134651, 1512868, 2269302, 2647519, 4538604, 5295038, 7942557, 10590076, 15885114, 31770228]

約数ペア:

[(1, 31770228), (2, 15885114), (3, 10590076), (4, 7942557), (6, 5295038), (7, 4538604), (12, 2647519), (14, 2269302), (21, 1512868), (28, 1134651), (42, 756434), (49, 648372), (71, 447468), (84, 378217), (98, 324186), (142, 223734), (147, 216124), (196, 162093), (213, 149156), (284, 111867), (294, 108062), (426, 74578), (497, 63924), (588, 54031), (761, 41748), (852, 37289), (994, 31962), (1491, 21308), (1522, 20874), (1988, 15981), (2283, 13916), (2982, 10654), (3044, 10437), (3479, 9132), (4566, 6958), (5327, 5964)]