201990581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 222485760

約数和(自身を除く): 20495179

約数列:

[1, 13, 61, 179, 793, 1423, 2327, 10919, 18499, 86803, 141947, 254717, 1128439, 3311321, 15537737, 201990581]

約数ペア:

[(1, 201990581), (13, 15537737), (61, 3311321), (179, 1128439), (793, 254717), (1423, 141947), (2327, 86803), (10919, 18499)]