28049528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 57002400

約数和(自身を除く): 28952872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 1559, 2249, 3118, 4498, 6236, 8996, 12472, 17992, 20267, 40534, 81068, 162136, 269707, 539414, 1078828, 2157656, 3506191, 7012382, 14024764, 28049528]

約数ペア:

[(1, 28049528), (2, 14024764), (4, 7012382), (8, 3506191), (13, 2157656), (26, 1078828), (52, 539414), (104, 269707), (173, 162136), (346, 81068), (692, 40534), (1384, 20267), (1559, 17992), (2249, 12472), (3118, 8996), (4498, 6236)]