2780743679

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 3438167040

約数和(自身を除く): 657423361

約数列:

[1, 7, 31, 49, 67, 89, 217, 307, 469, 623, 1519, 2077, 2149, 2759, 3283, 4361, 5963, 9517, 14539, 15043, 19313, 20569, 27323, 41741, 66619, 101773, 135191, 143983, 184853, 191261, 292187, 466333, 637639, 847013, 1007881, 1293971, 1338827, 1830641, 4463473, 5929091, 9057797, 12814487, 31244311, 41503637, 56749871, 89701409, 397249097, 2780743679]

約数ペア:

[(1, 2780743679), (7, 397249097), (31, 89701409), (49, 56749871), (67, 41503637), (89, 31244311), (217, 12814487), (307, 9057797), (469, 5929091), (623, 4463473), (1519, 1830641), (2077, 1338827), (2149, 1293971), (2759, 1007881), (3283, 847013), (4361, 637639), (5963, 466333), (9517, 292187), (14539, 191261), (15043, 184853), (19313, 143983), (20569, 135191), (27323, 101773), (41741, 66619)]