197952013

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 244188000

約数和(自身を除く): 46235987

約数列:

[1, 7, 19, 49, 133, 149, 931, 1043, 1427, 2831, 7301, 9989, 19817, 27113, 69923, 138719, 189791, 212623, 1328537, 1488361, 4039837, 10418527, 28278859, 197952013]

約数ペア:

[(1, 197952013), (7, 28278859), (19, 10418527), (49, 4039837), (133, 1488361), (149, 1328537), (931, 212623), (1043, 189791), (1427, 138719), (2831, 69923), (7301, 27113), (9989, 19817)]