31028207

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 36288000

約数和(自身を除く): 5259793

約数列:

[1, 7, 71, 149, 419, 497, 1043, 2933, 10579, 29749, 62431, 74053, 208243, 437017, 4432601, 31028207]

約数ペア:

[(1, 31028207), (7, 4432601), (71, 437017), (149, 208243), (419, 74053), (497, 62431), (1043, 29749), (2933, 10579)]