7868646

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 17791488

約数和(自身を除く): 9922842

約数列:

[1, 2, 3, 6, 9, 18, 47, 71, 94, 131, 141, 142, 213, 262, 282, 393, 423, 426, 639, 786, 846, 1179, 1278, 2358, 3337, 6157, 6674, 9301, 10011, 12314, 18471, 18602, 20022, 27903, 30033, 36942, 55413, 55806, 60066, 83709, 110826, 167418, 437147, 874294, 1311441, 2622882, 3934323, 7868646]

約数ペア:

[(1, 7868646), (2, 3934323), (3, 2622882), (6, 1311441), (9, 874294), (18, 437147), (47, 167418), (71, 110826), (94, 83709), (131, 60066), (141, 55806), (142, 55413), (213, 36942), (262, 30033), (282, 27903), (393, 20022), (423, 18602), (426, 18471), (639, 12314), (786, 10011), (846, 9301), (1179, 6674), (1278, 6157), (2358, 3337)]