31490396

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 64995840

約数和(自身を除く): 33505444

約数列:

[1, 2, 4, 7, 14, 28, 61, 103, 122, 179, 206, 244, 358, 412, 427, 716, 721, 854, 1253, 1442, 1708, 2506, 2884, 5012, 6283, 10919, 12566, 18437, 21838, 25132, 36874, 43676, 43981, 73748, 76433, 87962, 129059, 152866, 175924, 258118, 305732, 516236, 1124657, 2249314, 4498628, 7872599, 15745198, 31490396]

約数ペア:

[(1, 31490396), (2, 15745198), (4, 7872599), (7, 4498628), (14, 2249314), (28, 1124657), (61, 516236), (103, 305732), (122, 258118), (179, 175924), (206, 152866), (244, 129059), (358, 87962), (412, 76433), (427, 73748), (716, 43981), (721, 43676), (854, 36874), (1253, 25132), (1442, 21838), (1708, 18437), (2506, 12566), (2884, 10919), (5012, 6283)]