2493335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 3265920

約数和(自身を除く): 772585

約数列:

[1, 5, 13, 65, 89, 431, 445, 1157, 2155, 5603, 5785, 28015, 38359, 191795, 498667, 2493335]

約数ペア:

[(1, 2493335), (5, 498667), (13, 191795), (65, 38359), (89, 28015), (431, 5785), (445, 5603), (1157, 2155)]