131276628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2027}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 380907072

約数和(自身を除く): 249630444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 1028, 1542, 1799, 2027, 2313, 3084, 3598, 4054, 4626, 5397, 6081, 7196, 8108, 9252, 10794, 12162, 14189, 16191, 18243, 21588, 24324, 28378, 32382, 36486, 42567, 56756, 64764, 72972, 85134, 127701, 170268, 255402, 510804, 520939, 1041878, 1562817, 2083756, 3125634, 3646573, 4688451, 6251268, 7293146, 9376902, 10939719, 14586292, 18753804, 21879438, 32819157, 43758876, 65638314, 131276628]

約数ペア:

[(1, 131276628), (2, 65638314), (3, 43758876), (4, 32819157), (6, 21879438), (7, 18753804), (9, 14586292), (12, 10939719), (14, 9376902), (18, 7293146), (21, 6251268), (28, 4688451), (36, 3646573), (42, 3125634), (63, 2083756), (84, 1562817), (126, 1041878), (252, 520939), (257, 510804), (514, 255402), (771, 170268), (1028, 127701), (1542, 85134), (1799, 72972), (2027, 64764), (2313, 56756), (3084, 42567), (3598, 36486), (4054, 32382), (4626, 28378), (5397, 24324), (6081, 21588), (7196, 18243), (8108, 16191), (9252, 14189), (10794, 12162)]