217790335021

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1\times {\mathrm{391441}}^1$

素因数の和:392812

約数の個数: 16

約数和(自身を含む): 253178422528

約数和(自身を除く): 35388087507

約数列:

[1, 7, 61, 427, 1303, 9121, 79483, 391441, 556381, 2740087, 23877901, 167145307, 510047623, 3570333361, 31112905003, 217790335021]

約数ペア:

[(1, 217790335021), (7, 31112905003), (61, 3570333361), (427, 510047623), (1303, 167145307), (9121, 23877901), (79483, 2740087), (391441, 556381)]