978947632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109453}}^1$

素因数の和:109517

約数の個数: 40

約数和(自身を含む): 2090133584

約数和(自身を除く): 1111185952

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 109453, 218906, 437812, 875624, 1422889, 1751248, 2845778, 4706479, 5691556, 9412958, 11383112, 18825916, 22766224, 37651832, 61184227, 75303664, 122368454, 244736908, 489473816, 978947632]

約数ペア:

[(1, 978947632), (2, 489473816), (4, 244736908), (8, 122368454), (13, 75303664), (16, 61184227), (26, 37651832), (43, 22766224), (52, 18825916), (86, 11383112), (104, 9412958), (172, 5691556), (208, 4706479), (344, 2845778), (559, 1751248), (688, 1422889), (1118, 875624), (2236, 437812), (4472, 218906), (8944, 109453)]