16980281

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 18677760

約数和(自身を除く): 1697479

約数列:

[1, 19, 31, 127, 227, 589, 2413, 3937, 4313, 7037, 28829, 74803, 133703, 547751, 893699, 16980281]

約数ペア:

[(1, 16980281), (19, 893699), (31, 547751), (127, 133703), (227, 74803), (589, 28829), (2413, 7037), (3937, 4313)]