857116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 1651104

約数和(自身を除く): 793988

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 311, 622, 689, 1244, 1378, 2756, 4043, 8086, 16172, 16483, 32966, 65932, 214279, 428558, 857116]

約数ペア:

[(1, 857116), (2, 428558), (4, 214279), (13, 65932), (26, 32966), (52, 16483), (53, 16172), (106, 8086), (212, 4043), (311, 2756), (622, 1378), (689, 1244)]