42840148

素因数分解:

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

素因数の和:656

約数の個数: 36

約数和(自身を含む): 81984000

約数和(自身を除く): 39143852

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 254, 338, 499, 508, 676, 998, 1651, 1996, 3302, 6487, 6604, 12974, 21463, 25948, 42926, 63373, 84331, 85852, 126746, 168662, 253492, 337324, 823849, 1647698, 3295396, 10710037, 21420074, 42840148]

約数ペア:

[(1, 42840148), (2, 21420074), (4, 10710037), (13, 3295396), (26, 1647698), (52, 823849), (127, 337324), (169, 253492), (254, 168662), (338, 126746), (499, 85852), (508, 84331), (676, 63373), (998, 42926), (1651, 25948), (1996, 21463), (3302, 12974), (6487, 6604)]