205638626

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{2617}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 312432120

約数和(自身を除く): 106793494

約数列:

[1, 2, 101, 202, 389, 778, 2617, 5234, 39289, 78578, 264317, 528634, 1018013, 2036026, 102819313, 205638626]

約数ペア:

[(1, 205638626), (2, 102819313), (101, 2036026), (202, 1018013), (389, 528634), (778, 264317), (2617, 78578), (5234, 39289)]