216885409

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 237762000

約数和(自身を除く): 20876591

約数列:

[1, 13, 73, 449, 509, 949, 5837, 6617, 32777, 37157, 228541, 426101, 483041, 2971033, 16683493, 216885409]

約数ペア:

[(1, 216885409), (13, 16683493), (73, 2971033), (449, 483041), (509, 426101), (949, 228541), (5837, 37157), (6617, 32777)]