818338

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 16

約数和(自身を含む): 1292544

約数和(自身を除く): 474206

約数列:

[1, 2, 31, 62, 67, 134, 197, 394, 2077, 4154, 6107, 12214, 13199, 26398, 409169, 818338]

約数ペア:

[(1, 818338), (2, 409169), (31, 26398), (62, 13199), (67, 12214), (134, 6107), (197, 4154), (394, 2077)]