81205544

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10942

約数の個数: 48

約数和(自身を含む): 186458400

約数和(自身を除く): 105252856

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 3724, 7448, 10903, 21806, 43612, 76321, 87224, 152642, 207157, 305284, 414314, 534247, 610568, 828628, 1068494, 1450099, 1657256, 2136988, 2900198, 4273976, 5800396, 10150693, 11600792, 20301386, 40602772, 81205544]

約数ペア:

[(1, 81205544), (2, 40602772), (4, 20301386), (7, 11600792), (8, 10150693), (14, 5800396), (19, 4273976), (28, 2900198), (38, 2136988), (49, 1657256), (56, 1450099), (76, 1068494), (98, 828628), (133, 610568), (152, 534247), (196, 414314), (266, 305284), (392, 207157), (532, 152642), (931, 87224), (1064, 76321), (1862, 43612), (3724, 21806), (7448, 10903)]