663561808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2729}}^1$

素因数の和:2924

約数の個数: 80

約数和(自身を含む): 1592398080

約数和(自身を除く): 928836272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 167, 182, 208, 334, 364, 668, 728, 1169, 1336, 1456, 2171, 2338, 2672, 2729, 4342, 4676, 5458, 8684, 9352, 10916, 15197, 17368, 18704, 19103, 21832, 30394, 34736, 35477, 38206, 43664, 60788, 70954, 76412, 121576, 141908, 152824, 243152, 248339, 283816, 305648, 455743, 496678, 567632, 911486, 993356, 1822972, 1986712, 3190201, 3645944, 3973424, 5924659, 6380402, 7291888, 11849318, 12760804, 23698636, 25521608, 41472613, 47397272, 51043216, 82945226, 94794544, 165890452, 331780904, 663561808]

約数ペア:

[(1, 663561808), (2, 331780904), (4, 165890452), (7, 94794544), (8, 82945226), (13, 51043216), (14, 47397272), (16, 41472613), (26, 25521608), (28, 23698636), (52, 12760804), (56, 11849318), (91, 7291888), (104, 6380402), (112, 5924659), (167, 3973424), (182, 3645944), (208, 3190201), (334, 1986712), (364, 1822972), (668, 993356), (728, 911486), (1169, 567632), (1336, 496678), (1456, 455743), (2171, 305648), (2338, 283816), (2672, 248339), (2729, 243152), (4342, 152824), (4676, 141908), (5458, 121576), (8684, 76412), (9352, 70954), (10916, 60788), (15197, 43664), (17368, 38206), (18704, 35477), (19103, 34736), (21832, 30394)]