81482704

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{57221}}^1$

素因数の和:57318

約数の個数: 20

約数和(自身を含む): 159649380

約数和(自身を除く): 78166676

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 57221, 114442, 228884, 457768, 915536, 5092669, 10185338, 20370676, 40741352, 81482704]

約数ペア:

[(1, 81482704), (2, 40741352), (4, 20370676), (8, 10185338), (16, 5092669), (89, 915536), (178, 457768), (356, 228884), (712, 114442), (1424, 57221)]