31485722

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 47864520

約数和(自身を除く): 16378798

約数列:

[1, 2, 157, 197, 314, 394, 509, 1018, 30929, 61858, 79913, 100273, 159826, 200546, 15742861, 31485722]

約数ペア:

[(1, 31485722), (2, 15742861), (157, 200546), (197, 159826), (314, 100273), (394, 79913), (509, 61858), (1018, 30929)]