16894969

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 5168135

約数列:

[1, 7, 13, 31, 53, 91, 113, 217, 371, 403, 689, 791, 1469, 1643, 2821, 3503, 4823, 5989, 10283, 11501, 21359, 24521, 41923, 45539, 77857, 149513, 185659, 318773, 544999, 1299613, 2413567, 16894969]

約数ペア:

[(1, 16894969), (7, 2413567), (13, 1299613), (31, 544999), (53, 318773), (91, 185659), (113, 149513), (217, 77857), (371, 45539), (403, 41923), (689, 24521), (791, 21359), (1469, 11501), (1643, 10283), (2821, 5989), (3503, 4823)]