31817630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 63165744

約数和(自身を除く): 31348114

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 281, 335, 338, 562, 670, 845, 871, 1405, 1690, 1742, 2810, 3653, 4355, 7306, 8710, 11323, 18265, 18827, 22646, 36530, 37654, 47489, 56615, 94135, 94978, 113230, 188270, 237445, 244751, 474890, 489502, 1223755, 2447510, 3181763, 6363526, 15908815, 31817630]

約数ペア:

[(1, 31817630), (2, 15908815), (5, 6363526), (10, 3181763), (13, 2447510), (26, 1223755), (65, 489502), (67, 474890), (130, 244751), (134, 237445), (169, 188270), (281, 113230), (335, 94978), (338, 94135), (562, 56615), (670, 47489), (845, 37654), (871, 36530), (1405, 22646), (1690, 18827), (1742, 18265), (2810, 11323), (3653, 8710), (4355, 7306)]