17780826

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 41713056

約数和(自身を除く): 23932230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 307, 394, 591, 614, 921, 1182, 1379, 1842, 2149, 2758, 4137, 4298, 6447, 8274, 9653, 12894, 15043, 19306, 28959, 30086, 45129, 57918, 60479, 90258, 120958, 181437, 362874, 423353, 846706, 1270059, 2540118, 2963471, 5926942, 8890413, 17780826]

約数ペア:

[(1, 17780826), (2, 8890413), (3, 5926942), (6, 2963471), (7, 2540118), (14, 1270059), (21, 846706), (42, 423353), (49, 362874), (98, 181437), (147, 120958), (197, 90258), (294, 60479), (307, 57918), (394, 45129), (591, 30086), (614, 28959), (921, 19306), (1182, 15043), (1379, 12894), (1842, 9653), (2149, 8274), (2758, 6447), (4137, 4298)]