1287885904

素因数分解:

$2^4\times {\mathrm{4691}}^1\times {\mathrm{17159}}^1$

素因数の和:21858

約数の個数: 20

約数和(自身を含む): 2495956320

約数和(自身を除く): 1208070416

約数列:

[1, 2, 4, 8, 16, 4691, 9382, 17159, 18764, 34318, 37528, 68636, 75056, 137272, 274544, 80492869, 160985738, 321971476, 643942952, 1287885904]

約数ペア:

[(1, 1287885904), (2, 643942952), (4, 321971476), (8, 160985738), (16, 80492869), (4691, 274544), (9382, 137272), (17159, 75056), (18764, 68636), (34318, 37528)]