2161209743

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1220333}}^1$

素因数の和:1220374

約数の個数: 16

約数和(自身を含む): 2811649536

約数和(自身を除く): 650439793

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 1220333, 8542331, 13423663, 28067659, 93965641, 196473613, 308744249, 2161209743]

約数ペア:

[(1, 2161209743), (7, 308744249), (11, 196473613), (23, 93965641), (77, 28067659), (161, 13423663), (253, 8542331), (1771, 1220333)]