40981516

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 72814896

約数和(自身を除く): 31833380

約数列:

[1, 2, 4, 131, 197, 262, 394, 397, 524, 788, 794, 1588, 25807, 51614, 52007, 78209, 103228, 104014, 156418, 208028, 312836, 10245379, 20490758, 40981516]

約数ペア:

[(1, 40981516), (2, 20490758), (4, 10245379), (131, 312836), (197, 208028), (262, 156418), (394, 104014), (397, 103228), (524, 78209), (788, 52007), (794, 51614), (1588, 25807)]