47720239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 59710464

約数和(自身を除く): 11990225

約数列:

[1, 7, 23, 43, 61, 113, 161, 301, 427, 791, 989, 1403, 2599, 2623, 4859, 6893, 6923, 9821, 18193, 18361, 34013, 48251, 60329, 111757, 158539, 296399, 422303, 782299, 1109773, 2074793, 6817177, 47720239]

約数ペア:

[(1, 47720239), (7, 6817177), (23, 2074793), (43, 1109773), (61, 782299), (113, 422303), (161, 296399), (301, 158539), (427, 111757), (791, 60329), (989, 48251), (1403, 34013), (2599, 18361), (2623, 18193), (4859, 9821), (6893, 6923)]