219931313

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1\times {\mathrm{1879}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 262778880

約数和(自身を除く): 42847567

約数列:

[1, 7, 23, 161, 727, 1879, 5089, 13153, 16721, 43217, 117047, 302519, 1366033, 9562231, 31418759, 219931313]

約数ペア:

[(1, 219931313), (7, 31418759), (23, 9562231), (161, 1366033), (727, 302519), (1879, 117047), (5089, 43217), (13153, 16721)]