81386656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6365

約数の個数: 48

約数和(自身を含む): 178149888

約数和(自身を除く): 96763232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6311, 6448, 12622, 12896, 25244, 50488, 82043, 100976, 164086, 195641, 201952, 328172, 391282, 656344, 782564, 1312688, 1565128, 2543333, 2625376, 3130256, 5086666, 6260512, 10173332, 20346664, 40693328, 81386656]

約数ペア:

[(1, 81386656), (2, 40693328), (4, 20346664), (8, 10173332), (13, 6260512), (16, 5086666), (26, 3130256), (31, 2625376), (32, 2543333), (52, 1565128), (62, 1312688), (104, 782564), (124, 656344), (208, 391282), (248, 328172), (403, 201952), (416, 195641), (496, 164086), (806, 100976), (992, 82043), (1612, 50488), (3224, 25244), (6311, 12896), (6448, 12622)]