31986238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 52056576

約数和(自身を除く): 20070338

約数列:

[1, 2, 23, 43, 46, 86, 103, 157, 206, 314, 989, 1978, 2369, 3611, 4429, 4738, 6751, 7222, 8858, 13502, 16171, 32342, 101867, 155273, 203734, 310546, 371933, 695353, 743866, 1390706, 15993119, 31986238]

約数ペア:

[(1, 31986238), (2, 15993119), (23, 1390706), (43, 743866), (46, 695353), (86, 371933), (103, 310546), (157, 203734), (206, 155273), (314, 101867), (989, 32342), (1978, 16171), (2369, 13502), (3611, 8858), (4429, 7222), (4738, 6751)]