81061528

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1051}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 157547520

約数和(自身を除く): 76485992

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 311, 622, 1051, 1244, 2102, 2488, 4204, 8408, 9641, 19282, 32581, 38564, 65162, 77128, 130324, 260648, 326861, 653722, 1307444, 2614888, 10132691, 20265382, 40530764, 81061528]

約数ペア:

[(1, 81061528), (2, 40530764), (4, 20265382), (8, 10132691), (31, 2614888), (62, 1307444), (124, 653722), (248, 326861), (311, 260648), (622, 130324), (1051, 77128), (1244, 65162), (2102, 38564), (2488, 32581), (4204, 19282), (8408, 9641)]