538990025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 799853568

約数和(自身を除く): 260863543

約数列:

[1, 5, 7, 25, 31, 35, 73, 155, 175, 217, 365, 511, 775, 1085, 1361, 1825, 2263, 2555, 5425, 6805, 9527, 11315, 12775, 15841, 34025, 42191, 47635, 56575, 79205, 99353, 210955, 238175, 295337, 396025, 496765, 695471, 1054775, 1476685, 2483825, 3079943, 3477355, 7383425, 15399715, 17386775, 21559601, 76998575, 107798005, 538990025]

約数ペア:

[(1, 538990025), (5, 107798005), (7, 76998575), (25, 21559601), (31, 17386775), (35, 15399715), (73, 7383425), (155, 3477355), (175, 3079943), (217, 2483825), (365, 1476685), (511, 1054775), (775, 695471), (1085, 496765), (1361, 396025), (1825, 295337), (2263, 238175), (2555, 210955), (5425, 99353), (6805, 79205), (9527, 56575), (11315, 47635), (12775, 42191), (15841, 34025)]