78643604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{16993}}^1$

素因数の和:17099

約数の個数: 24

約数和(自身を含む): 149887080

約数和(自身を除く): 71243476

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 16993, 33986, 67972, 220909, 441818, 883636, 1512377, 3024754, 6049508, 19660901, 39321802, 78643604]

約数ペア:

[(1, 78643604), (2, 39321802), (4, 19660901), (13, 6049508), (26, 3024754), (52, 1512377), (89, 883636), (178, 441818), (356, 220909), (1157, 67972), (2314, 33986), (4628, 16993)]