16981398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 25300842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 307, 439, 614, 878, 921, 1317, 1842, 2149, 2634, 2763, 3073, 3951, 4298, 5526, 6146, 6447, 7902, 9219, 12894, 18438, 19341, 27657, 38682, 55314, 134773, 269546, 404319, 808638, 943411, 1212957, 1886822, 2425914, 2830233, 5660466, 8490699, 16981398]

約数ペア:

[(1, 16981398), (2, 8490699), (3, 5660466), (6, 2830233), (7, 2425914), (9, 1886822), (14, 1212957), (18, 943411), (21, 808638), (42, 404319), (63, 269546), (126, 134773), (307, 55314), (439, 38682), (614, 27657), (878, 19341), (921, 18438), (1317, 12894), (1842, 9219), (2149, 7902), (2634, 6447), (2763, 6146), (3073, 5526), (3951, 4298)]