399171841

素因数分解:

${\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 417719808

約数和(自身を除く): 18547967

約数列:

[1, 31, 163, 197, 401, 5053, 6107, 12431, 32111, 65363, 78997, 995441, 2026253, 2448907, 12876511, 399171841]

約数ペア:

[(1, 399171841), (31, 12876511), (163, 2448907), (197, 2026253), (401, 995441), (5053, 78997), (6107, 65363), (12431, 32111)]