421682

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 16

約数和(自身を含む): 673920

約数和(自身を除く): 252238

約数列:

[1, 2, 23, 46, 89, 103, 178, 206, 2047, 2369, 4094, 4738, 9167, 18334, 210841, 421682]

約数ペア:

[(1, 421682), (2, 210841), (23, 18334), (46, 9167), (89, 4738), (103, 4094), (178, 2369), (206, 2047)]