220739519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{16963}}^1$

素因数の和:17007

約数の個数: 24

約数和(自身を含む): 298023552

約数和(自身を除く): 77284033

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 13013, 16963, 118741, 186593, 220519, 1306151, 1543633, 2425709, 2866747, 16979963, 20067229, 31534217, 220739519]

約数ペア:

[(1, 220739519), (7, 31534217), (11, 20067229), (13, 16979963), (77, 2866747), (91, 2425709), (143, 1543633), (169, 1306151), (1001, 220519), (1183, 186593), (1859, 118741), (13013, 16963)]