205120812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{24809}}^1$

素因数の和:24882

約数の個数: 48

約数和(自身を含む): 525178080

約数和(自身を除く): 320057268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 24809, 49618, 74427, 99236, 148854, 297708, 322517, 645034, 967551, 1290068, 1314877, 1935102, 2629754, 3870204, 3944631, 5259508, 7889262, 15778524, 17093401, 34186802, 51280203, 68373604, 102560406, 205120812]

約数ペア:

[(1, 205120812), (2, 102560406), (3, 68373604), (4, 51280203), (6, 34186802), (12, 17093401), (13, 15778524), (26, 7889262), (39, 5259508), (52, 3944631), (53, 3870204), (78, 2629754), (106, 1935102), (156, 1314877), (159, 1290068), (212, 967551), (318, 645034), (636, 322517), (689, 297708), (1378, 148854), (2067, 99236), (2756, 74427), (4134, 49618), (8268, 24809)]