16898778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 39724776

約数和(自身を除く): 22825998

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 257, 281, 514, 562, 771, 843, 1542, 1686, 2313, 2529, 3341, 3653, 4626, 5058, 6682, 7306, 10023, 10959, 20046, 21918, 30069, 32877, 60138, 65754, 72217, 144434, 216651, 433302, 649953, 938821, 1299906, 1877642, 2816463, 5632926, 8449389, 16898778]

約数ペア:

[(1, 16898778), (2, 8449389), (3, 5632926), (6, 2816463), (9, 1877642), (13, 1299906), (18, 938821), (26, 649953), (39, 433302), (78, 216651), (117, 144434), (234, 72217), (257, 65754), (281, 60138), (514, 32877), (562, 30069), (771, 21918), (843, 20046), (1542, 10959), (1686, 10023), (2313, 7306), (2529, 6682), (3341, 5058), (3653, 4626)]