638978052

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{3457}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 1518974912

約数和(自身を除く): 879996860

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 211, 219, 292, 422, 438, 633, 844, 876, 1266, 2532, 3457, 6914, 10371, 13828, 15403, 20742, 30806, 41484, 46209, 61612, 92418, 184836, 252361, 504722, 729427, 757083, 1009444, 1458854, 1514166, 2188281, 2917708, 3028332, 4376562, 8753124, 53248171, 106496342, 159744513, 212992684, 319489026, 638978052]

約数ペア:

[(1, 638978052), (2, 319489026), (3, 212992684), (4, 159744513), (6, 106496342), (12, 53248171), (73, 8753124), (146, 4376562), (211, 3028332), (219, 2917708), (292, 2188281), (422, 1514166), (438, 1458854), (633, 1009444), (844, 757083), (876, 729427), (1266, 504722), (2532, 252361), (3457, 184836), (6914, 92418), (10371, 61612), (13828, 46209), (15403, 41484), (20742, 30806)]