201521996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{4217}}^1$

素因数の和:5153

約数の個数: 24

約数和(自身を含む): 380294880

約数和(自身を除く): 178772884

約数列:

[1, 2, 4, 13, 26, 52, 919, 1838, 3676, 4217, 8434, 11947, 16868, 23894, 47788, 54821, 109642, 219284, 3875423, 7750846, 15501692, 50380499, 100760998, 201521996]

約数ペア:

[(1, 201521996), (2, 100760998), (4, 50380499), (13, 15501692), (26, 7750846), (52, 3875423), (919, 219284), (1838, 109642), (3676, 54821), (4217, 47788), (8434, 23894), (11947, 16868)]