16221401

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 19918080

約数和(自身を除く): 3696679

約数列:

[1, 7, 31, 49, 59, 181, 217, 413, 1267, 1519, 1829, 2891, 5611, 8869, 10679, 12803, 39277, 74753, 89621, 274939, 331049, 523271, 2317343, 16221401]

約数ペア:

[(1, 16221401), (7, 2317343), (31, 523271), (49, 331049), (59, 274939), (181, 89621), (217, 74753), (413, 39277), (1267, 12803), (1519, 10679), (1829, 8869), (2891, 5611)]