339949922

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{2389}}^1$

素因数の和:2838

約数の個数: 24

約数和(自身を含む): 553710420

約数和(自身を除く): 213760498

約数列:

[1, 2, 13, 26, 169, 338, 421, 842, 2389, 4778, 5473, 10946, 31057, 62114, 71149, 142298, 403741, 807482, 1005769, 2011538, 13074997, 26149994, 169974961, 339949922]

約数ペア:

[(1, 339949922), (2, 169974961), (13, 26149994), (26, 13074997), (169, 2011538), (338, 1005769), (421, 807482), (842, 403741), (2389, 142298), (4778, 71149), (5473, 62114), (10946, 31057)]