30640742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{15649}}^1$

素因数の和:15751

約数の個数: 16

約数和(自身を含む): 50706000

約数和(自身を除く): 20065258

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 15649, 31298, 172139, 344278, 1392761, 2785522, 15320371, 30640742]

約数ペア:

[(1, 30640742), (2, 15320371), (11, 2785522), (22, 1392761), (89, 344278), (178, 172139), (979, 31298), (1958, 15649)]