81211944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1087}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 222474240

約数和(自身を除く): 141262296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 283, 566, 849, 1087, 1132, 1698, 2174, 2264, 3113, 3261, 3396, 4348, 6226, 6522, 6792, 8696, 9339, 11957, 12452, 13044, 18678, 23914, 24904, 26088, 35871, 37356, 47828, 71742, 74712, 95656, 143484, 286968, 307621, 615242, 922863, 1230484, 1845726, 2460968, 3383831, 3691452, 6767662, 7382904, 10151493, 13535324, 20302986, 27070648, 40605972, 81211944]

約数ペア:

[(1, 81211944), (2, 40605972), (3, 27070648), (4, 20302986), (6, 13535324), (8, 10151493), (11, 7382904), (12, 6767662), (22, 3691452), (24, 3383831), (33, 2460968), (44, 1845726), (66, 1230484), (88, 922863), (132, 615242), (264, 307621), (283, 286968), (566, 143484), (849, 95656), (1087, 74712), (1132, 71742), (1698, 47828), (2174, 37356), (2264, 35871), (3113, 26088), (3261, 24904), (3396, 23914), (4348, 18678), (6226, 13044), (6522, 12452), (6792, 11957), (8696, 9339)]