1987213685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{106013}}^1$

素因数の和:106204

約数の個数: 16

約数和(自身を含む): 2503626624

約数和(自身を除く): 516412939

約数列:

[1, 5, 23, 115, 163, 815, 3749, 18745, 106013, 530065, 2438299, 12191495, 17280119, 86400595, 397442737, 1987213685]

約数ペア:

[(1, 1987213685), (5, 397442737), (23, 86400595), (115, 17280119), (163, 12191495), (815, 2438299), (3749, 530065), (18745, 106013)]