28149992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 58501440

約数和(自身を除く): 30351448

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 443, 611, 676, 886, 1222, 1352, 1772, 2444, 3544, 4888, 5759, 7943, 11518, 15886, 20821, 23036, 31772, 41642, 46072, 63544, 74867, 83284, 149734, 166568, 270673, 299468, 541346, 598936, 1082692, 2165384, 3518749, 7037498, 14074996, 28149992]

約数ペア:

[(1, 28149992), (2, 14074996), (4, 7037498), (8, 3518749), (13, 2165384), (26, 1082692), (47, 598936), (52, 541346), (94, 299468), (104, 270673), (169, 166568), (188, 149734), (338, 83284), (376, 74867), (443, 63544), (611, 46072), (676, 41642), (886, 31772), (1222, 23036), (1352, 20821), (1772, 15886), (2444, 11518), (3544, 7943), (4888, 5759)]