397388738

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{9749}}^1$

素因数の和:10069

約数の個数: 16

約数和(自身を含む): 605475000

約数和(自身を除く): 208086262

約数列:

[1, 2, 89, 178, 229, 458, 9749, 19498, 20381, 40762, 867661, 1735322, 2232521, 4465042, 198694369, 397388738]

約数ペア:

[(1, 397388738), (2, 198694369), (89, 4465042), (178, 2232521), (229, 1735322), (458, 867661), (9749, 40762), (19498, 20381)]