221965055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{19739}}^1$

素因数の和:19930

約数の個数: 16

約数和(自身を含む): 288519840

約数和(自身を除く): 66554785

約数列:

[1, 5, 13, 65, 173, 865, 2249, 11245, 19739, 98695, 256607, 1283035, 3414847, 17074235, 44393011, 221965055]

約数ペア:

[(1, 221965055), (5, 44393011), (13, 17074235), (65, 3414847), (173, 1283035), (865, 256607), (2249, 98695), (11245, 19739)]