81190648

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 203558400

約数和(自身を除く): 122367752

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 133, 152, 154, 196, 209, 266, 308, 392, 418, 532, 539, 616, 836, 931, 991, 1064, 1078, 1463, 1672, 1862, 1982, 2156, 2926, 3724, 3964, 4312, 5852, 6937, 7448, 7928, 10241, 10901, 11704, 13874, 18829, 20482, 21802, 27748, 37658, 40964, 43604, 48559, 55496, 75316, 76307, 81928, 87208, 97118, 131803, 150632, 152614, 194236, 207119, 263606, 305228, 388472, 414238, 527212, 534149, 610456, 828476, 922621, 1054424, 1068298, 1449833, 1656952, 1845242, 2136596, 2899666, 3690484, 4273192, 5799332, 7380968, 10148831, 11598664, 20297662, 40595324, 81190648]

約数ペア:

[(1, 81190648), (2, 40595324), (4, 20297662), (7, 11598664), (8, 10148831), (11, 7380968), (14, 5799332), (19, 4273192), (22, 3690484), (28, 2899666), (38, 2136596), (44, 1845242), (49, 1656952), (56, 1449833), (76, 1068298), (77, 1054424), (88, 922621), (98, 828476), (133, 610456), (152, 534149), (154, 527212), (196, 414238), (209, 388472), (266, 305228), (308, 263606), (392, 207119), (418, 194236), (532, 152614), (539, 150632), (616, 131803), (836, 97118), (931, 87208), (991, 81928), (1064, 76307), (1078, 75316), (1463, 55496), (1672, 48559), (1862, 43604), (1982, 40964), (2156, 37658), (2926, 27748), (3724, 21802), (3964, 20482), (4312, 18829), (5852, 13874), (6937, 11704), (7448, 10901), (7928, 10241)]