289887728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2281}}^1$

素因数の和:2362

約数の個数: 60

約数和(自身を含む): 621397728

約数和(自身を除く): 331510000

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 169, 188, 208, 338, 376, 611, 676, 752, 1222, 1352, 2281, 2444, 2704, 4562, 4888, 7943, 9124, 9776, 15886, 18248, 29653, 31772, 36496, 59306, 63544, 107207, 118612, 127088, 214414, 237224, 385489, 428828, 474448, 770978, 857656, 1393691, 1541956, 1715312, 2787382, 3083912, 5574764, 6167824, 11149528, 18117983, 22299056, 36235966, 72471932, 144943864, 289887728]

約数ペア:

[(1, 289887728), (2, 144943864), (4, 72471932), (8, 36235966), (13, 22299056), (16, 18117983), (26, 11149528), (47, 6167824), (52, 5574764), (94, 3083912), (104, 2787382), (169, 1715312), (188, 1541956), (208, 1393691), (338, 857656), (376, 770978), (611, 474448), (676, 428828), (752, 385489), (1222, 237224), (1352, 214414), (2281, 127088), (2444, 118612), (2704, 107207), (4562, 63544), (4888, 59306), (7943, 36496), (9124, 31772), (9776, 29653), (15886, 18248)]