81940472

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{57221}}^1$

素因数の和:57406

約数の個数: 16

約数和(自身を含む): 154499400

約数和(自身を除く): 72558928

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 57221, 114442, 228884, 457768, 10242559, 20485118, 40970236, 81940472]

約数ペア:

[(1, 81940472), (2, 40970236), (4, 20485118), (8, 10242559), (179, 457768), (358, 228884), (716, 114442), (1432, 57221)]