40378523

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 42949632

約数和(自身を除く): 2571109

約数列:

[1, 31, 61, 131, 163, 1891, 4061, 5053, 7991, 9943, 21353, 247721, 308233, 661943, 1302533, 40378523]

約数ペア:

[(1, 40378523), (31, 1302533), (61, 661943), (131, 308233), (163, 247721), (1891, 21353), (4061, 9943), (5053, 7991)]