128423916

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 345631104

約数和(自身を除く): 217207188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 223, 306, 446, 612, 669, 892, 941, 1338, 1882, 2007, 2676, 2823, 3764, 3791, 4014, 5646, 7582, 8028, 8469, 11292, 11373, 15164, 15997, 16938, 22746, 31994, 33876, 34119, 45492, 47991, 63988, 68238, 95982, 136476, 143973, 191964, 209843, 287946, 419686, 575892, 629529, 839372, 1259058, 1888587, 2518116, 3567331, 3777174, 7134662, 7554348, 10701993, 14269324, 21403986, 32105979, 42807972, 64211958, 128423916]

約数ペア:

[(1, 128423916), (2, 64211958), (3, 42807972), (4, 32105979), (6, 21403986), (9, 14269324), (12, 10701993), (17, 7554348), (18, 7134662), (34, 3777174), (36, 3567331), (51, 2518116), (68, 1888587), (102, 1259058), (153, 839372), (204, 629529), (223, 575892), (306, 419686), (446, 287946), (612, 209843), (669, 191964), (892, 143973), (941, 136476), (1338, 95982), (1882, 68238), (2007, 63988), (2676, 47991), (2823, 45492), (3764, 34119), (3791, 33876), (4014, 31994), (5646, 22746), (7582, 16938), (8028, 15997), (8469, 15164), (11292, 11373)]