128520444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 327936000

約数和(自身を除く): 199415556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 499, 507, 508, 676, 762, 998, 1014, 1497, 1524, 1651, 1996, 2028, 2994, 3302, 4953, 5988, 6487, 6604, 9906, 12974, 19461, 19812, 21463, 25948, 38922, 42926, 63373, 64389, 77844, 84331, 85852, 126746, 128778, 168662, 190119, 252993, 253492, 257556, 337324, 380238, 505986, 760476, 823849, 1011972, 1647698, 2471547, 3295396, 4943094, 9886188, 10710037, 21420074, 32130111, 42840148, 64260222, 128520444]

約数ペア:

[(1, 128520444), (2, 64260222), (3, 42840148), (4, 32130111), (6, 21420074), (12, 10710037), (13, 9886188), (26, 4943094), (39, 3295396), (52, 2471547), (78, 1647698), (127, 1011972), (156, 823849), (169, 760476), (254, 505986), (338, 380238), (381, 337324), (499, 257556), (507, 253492), (508, 252993), (676, 190119), (762, 168662), (998, 128778), (1014, 126746), (1497, 85852), (1524, 84331), (1651, 77844), (1996, 64389), (2028, 63373), (2994, 42926), (3302, 38922), (4953, 25948), (5988, 21463), (6487, 19812), (6604, 19461), (9906, 12974)]