1997941

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2332800

約数和(自身を除く): 334859

約数列:

[1, 11, 23, 53, 149, 253, 583, 1219, 1639, 3427, 7897, 13409, 37697, 86867, 181631, 1997941]

約数ペア:

[(1, 1997941), (11, 181631), (23, 86867), (53, 37697), (149, 13409), (253, 7897), (583, 3427), (1219, 1639)]