81318058

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{4007}}^1$

素因数の和:4221

約数の個数: 16

約数和(自身を含む): 124568640

約数和(自身を除く): 43250582

約数列:

[1, 2, 73, 139, 146, 278, 4007, 8014, 10147, 20294, 292511, 556973, 585022, 1113946, 40659029, 81318058]

約数ペア:

[(1, 81318058), (2, 40659029), (73, 1113946), (139, 585022), (146, 556973), (278, 292511), (4007, 20294), (8014, 10147)]