16490005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 24111360

約数和(自身を除く): 7621355

約数列:

[1, 5, 7, 19, 35, 95, 133, 137, 181, 665, 685, 905, 959, 1267, 2603, 3439, 4795, 6335, 13015, 17195, 18221, 24073, 24797, 91105, 120365, 123985, 173579, 471143, 867895, 2355715, 3298001, 16490005]

約数ペア:

[(1, 16490005), (5, 3298001), (7, 2355715), (19, 867895), (35, 471143), (95, 173579), (133, 123985), (137, 120365), (181, 91105), (665, 24797), (685, 24073), (905, 18221), (959, 17195), (1267, 13015), (2603, 6335), (3439, 4795)]