260704678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2213}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 441878976

約数和(自身を除く): 181174298

約数列:

[1, 2, 13, 23, 26, 46, 197, 299, 394, 598, 2213, 2561, 4426, 4531, 5122, 9062, 28769, 50899, 57538, 58903, 101798, 117806, 435961, 661687, 871922, 1323374, 5667493, 10027103, 11334986, 20054206, 130352339, 260704678]

約数ペア:

[(1, 260704678), (2, 130352339), (13, 20054206), (23, 11334986), (26, 10027103), (46, 5667493), (197, 1323374), (299, 871922), (394, 661687), (598, 435961), (2213, 117806), (2561, 101798), (4426, 58903), (4531, 57538), (5122, 50899), (9062, 28769)]