28678832

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19697}}^1$

素因数の和:19725

約数の個数: 40

約数和(自身を含む): 68391456

約数和(自身を除く): 39712624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19697, 39394, 78788, 137879, 157576, 256061, 275758, 315152, 512122, 551516, 1024244, 1103032, 1792427, 2048488, 2206064, 3584854, 4096976, 7169708, 14339416, 28678832]

約数ペア:

[(1, 28678832), (2, 14339416), (4, 7169708), (7, 4096976), (8, 3584854), (13, 2206064), (14, 2048488), (16, 1792427), (26, 1103032), (28, 1024244), (52, 551516), (56, 512122), (91, 315152), (104, 275758), (112, 256061), (182, 157576), (208, 137879), (364, 78788), (728, 39394), (1456, 19697)]