681394

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 24

約数和(自身を含む): 1261980

約数和(自身を除く): 580586

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 409, 818, 833, 1666, 2863, 5726, 6953, 13906, 20041, 40082, 48671, 97342, 340697, 681394]

約数ペア:

[(1, 681394), (2, 340697), (7, 97342), (14, 48671), (17, 40082), (34, 20041), (49, 13906), (98, 6953), (119, 5726), (238, 2863), (409, 1666), (818, 833)]