81199612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{5021}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 153552672

約数和(自身を除く): 72353060

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 5021, 8086, 10042, 16172, 20084, 65273, 130546, 261092, 1561531, 3123062, 6246124, 20299903, 40599806, 81199612]

約数ペア:

[(1, 81199612), (2, 40599806), (4, 20299903), (13, 6246124), (26, 3123062), (52, 1561531), (311, 261092), (622, 130546), (1244, 65273), (4043, 20084), (5021, 16172), (8086, 10042)]