12757678

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 19900800

約数和(自身を除く): 7143122

約数列:

[1, 2, 31, 62, 149, 298, 1381, 2762, 4619, 9238, 42811, 85622, 205769, 411538, 6378839, 12757678]

約数ペア:

[(1, 12757678), (2, 6378839), (31, 411538), (62, 205769), (149, 85622), (298, 42811), (1381, 9238), (2762, 4619)]