389548654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{20807}}^1$

素因数の和:20880

約数の個数: 32

約数和(自身を含む): 683168256

約数和(自身を除く): 293619602

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1702, 9361, 18722, 20807, 41614, 228877, 457754, 478561, 769859, 957122, 1539718, 5264171, 8468449, 10528342, 16936898, 17706757, 35413514, 194774327, 389548654]

約数ペア:

[(1, 389548654), (2, 194774327), (11, 35413514), (22, 17706757), (23, 16936898), (37, 10528342), (46, 8468449), (74, 5264171), (253, 1539718), (407, 957122), (506, 769859), (814, 478561), (851, 457754), (1702, 228877), (9361, 41614), (18722, 20807)]