213013606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{20431}}^1$

素因数の和:20847

約数の個数: 16

約数和(自身を含む): 344973888

約数和(自身を除く): 131960282

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 20431, 40862, 265603, 531206, 8192831, 16385662, 106506803, 213013606]

約数ペア:

[(1, 213013606), (2, 106506803), (13, 16385662), (26, 8192831), (401, 531206), (802, 265603), (5213, 40862), (10426, 20431)]