39995137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 52157952

約数和(自身を除く): 12162815

約数列:

[1, 7, 13, 23, 91, 97, 161, 197, 299, 679, 1261, 1379, 2093, 2231, 2561, 4531, 8827, 15617, 17927, 19109, 29003, 31717, 58903, 133763, 203021, 248417, 412321, 439507, 1738919, 3076549, 5713591, 39995137]

約数ペア:

[(1, 39995137), (7, 5713591), (13, 3076549), (23, 1738919), (91, 439507), (97, 412321), (161, 248417), (197, 203021), (299, 133763), (679, 58903), (1261, 31717), (1379, 29003), (2093, 19109), (2231, 17927), (2561, 15617), (4531, 8827)]