28682456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 58888080

約数和(自身を除く): 30205624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 397, 794, 821, 1588, 1642, 3176, 3284, 4367, 6568, 8734, 9031, 17468, 18062, 34936, 36124, 72248, 325937, 651874, 1303748, 2607496, 3585307, 7170614, 14341228, 28682456]

約数ペア:

[(1, 28682456), (2, 14341228), (4, 7170614), (8, 3585307), (11, 2607496), (22, 1303748), (44, 651874), (88, 325937), (397, 72248), (794, 36124), (821, 34936), (1588, 18062), (1642, 17468), (3176, 9031), (3284, 8734), (4367, 6568)]