42147964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1993}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 78388128

約数和(自身を除く): 36240164

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 1244, 1993, 3986, 5287, 7972, 10574, 21148, 33881, 67762, 135524, 619823, 1239646, 2479292, 10536991, 21073982, 42147964]

約数ペア:

[(1, 42147964), (2, 21073982), (4, 10536991), (17, 2479292), (34, 1239646), (68, 619823), (311, 135524), (622, 67762), (1244, 33881), (1993, 21148), (3986, 10574), (5287, 7972)]