201917872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{1171}}^1$

素因数の和:2021

約数の個数: 40

約数和(自身を含む): 422177840

約数和(自身を除く): 220259968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 829, 1171, 1658, 2342, 3316, 4684, 6632, 9368, 10777, 13264, 15223, 18736, 21554, 30446, 43108, 60892, 86216, 121784, 172432, 243568, 970759, 1941518, 3883036, 7766072, 12619867, 15532144, 25239734, 50479468, 100958936, 201917872]

約数ペア:

[(1, 201917872), (2, 100958936), (4, 50479468), (8, 25239734), (13, 15532144), (16, 12619867), (26, 7766072), (52, 3883036), (104, 1941518), (208, 970759), (829, 243568), (1171, 172432), (1658, 121784), (2342, 86216), (3316, 60892), (4684, 43108), (6632, 30446), (9368, 21554), (10777, 18736), (13264, 15223)]