78866768

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 155651496

約数和(自身を除く): 76784728

約数列:

[1, 2, 4, 8, 16, 113, 181, 226, 241, 362, 452, 482, 724, 904, 964, 1448, 1808, 1928, 2896, 3856, 20453, 27233, 40906, 43621, 54466, 81812, 87242, 108932, 163624, 174484, 217864, 327248, 348968, 435728, 697936, 4929173, 9858346, 19716692, 39433384, 78866768]

約数ペア:

[(1, 78866768), (2, 39433384), (4, 19716692), (8, 9858346), (16, 4929173), (113, 697936), (181, 435728), (226, 348968), (241, 327248), (362, 217864), (452, 174484), (482, 163624), (724, 108932), (904, 87242), (964, 81812), (1448, 54466), (1808, 43621), (1928, 40906), (2896, 27233), (3856, 20453)]