139744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:418

約数の個数: 24

約数和(自身を含む): 300888

約数和(自身を除く): 161144

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 397, 794, 1588, 3176, 4367, 6352, 8734, 12704, 17468, 34936, 69872, 139744]

約数ペア:

[(1, 139744), (2, 69872), (4, 34936), (8, 17468), (11, 12704), (16, 8734), (22, 6352), (32, 4367), (44, 3176), (88, 1588), (176, 794), (352, 397)]