281001262

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 454896000

約数和(自身を除く): 173894738

約数列:

[1, 2, 17, 34, 79, 158, 233, 449, 466, 898, 1343, 2686, 3961, 7633, 7922, 15266, 18407, 35471, 36814, 70942, 104617, 209234, 312919, 603007, 625838, 1206014, 1778489, 3556978, 8264743, 16529486, 140500631, 281001262]

約数ペア:

[(1, 281001262), (2, 140500631), (17, 16529486), (34, 8264743), (79, 3556978), (158, 1778489), (233, 1206014), (449, 625838), (466, 603007), (898, 312919), (1343, 209234), (2686, 104617), (3961, 70942), (7633, 36814), (7922, 35471), (15266, 18407)]