648433044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20261}}^1$

素因数の和:20405

約数の個数: 72

約数和(自身を含む): 1888094208

約数和(自身を除く): 1239661164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 8001, 10668, 16002, 20261, 32004, 40522, 60783, 81044, 121566, 141827, 182349, 243132, 283654, 364698, 425481, 567308, 729396, 850962, 1276443, 1701924, 2552886, 2573147, 5105772, 5146294, 7719441, 10292588, 15438882, 18012029, 23158323, 30877764, 36024058, 46316646, 54036087, 72048116, 92633292, 108072174, 162108261, 216144348, 324216522, 648433044]

約数ペア:

[(1, 648433044), (2, 324216522), (3, 216144348), (4, 162108261), (6, 108072174), (7, 92633292), (9, 72048116), (12, 54036087), (14, 46316646), (18, 36024058), (21, 30877764), (28, 23158323), (36, 18012029), (42, 15438882), (63, 10292588), (84, 7719441), (126, 5146294), (127, 5105772), (252, 2573147), (254, 2552886), (381, 1701924), (508, 1276443), (762, 850962), (889, 729396), (1143, 567308), (1524, 425481), (1778, 364698), (2286, 283654), (2667, 243132), (3556, 182349), (4572, 141827), (5334, 121566), (8001, 81044), (10668, 60783), (16002, 40522), (20261, 32004)]