78495188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{2351}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 145805184

約数和(自身を除く): 67309996

約数列:

[1, 2, 4, 17, 34, 68, 491, 982, 1964, 2351, 4702, 8347, 9404, 16694, 33388, 39967, 79934, 159868, 1154341, 2308682, 4617364, 19623797, 39247594, 78495188]

約数ペア:

[(1, 78495188), (2, 39247594), (4, 19623797), (17, 4617364), (34, 2308682), (68, 1154341), (491, 159868), (982, 79934), (1964, 39967), (2351, 33388), (4702, 16694), (8347, 9404)]