390491036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{38119}}^1$

素因数の和:38333

約数の個数: 24

約数和(自身を含む): 739680480

約数和(自身を除く): 349189444

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 38119, 76238, 152476, 495547, 991094, 1982188, 7509443, 15018886, 30037772, 97622759, 195245518, 390491036]

約数ペア:

[(1, 390491036), (2, 195245518), (4, 97622759), (13, 30037772), (26, 15018886), (52, 7509443), (197, 1982188), (394, 991094), (788, 495547), (2561, 152476), (5122, 76238), (10244, 38119)]