77779984

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{11279}}^1$

素因数の和:11718

約数の個数: 20

約数和(自身を含む): 151061760

約数和(自身を除く): 73281776

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 11279, 22558, 45116, 90232, 180464, 4861249, 9722498, 19444996, 38889992, 77779984]

約数ペア:

[(1, 77779984), (2, 38889992), (4, 19444996), (8, 9722498), (16, 4861249), (431, 180464), (862, 90232), (1724, 45116), (3448, 22558), (6896, 11279)]