2003122555

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 2946170880

約数和(自身を除く): 943048325

約数列:

[1, 5, 7, 23, 35, 73, 89, 115, 161, 365, 383, 445, 511, 623, 805, 1679, 1915, 2047, 2555, 2681, 3115, 6497, 8395, 8809, 10235, 11753, 13405, 14329, 27959, 32485, 34087, 44045, 45479, 58765, 61663, 71645, 139795, 149431, 170435, 195713, 227395, 238609, 308315, 643057, 747155, 784001, 978565, 1046017, 1193045, 2488351, 3215285, 3920005, 4501399, 5230085, 5488007, 12441755, 17418457, 22506995, 27440035, 57232073, 87092285, 286160365, 400624511, 2003122555]

約数ペア:

[(1, 2003122555), (5, 400624511), (7, 286160365), (23, 87092285), (35, 57232073), (73, 27440035), (89, 22506995), (115, 17418457), (161, 12441755), (365, 5488007), (383, 5230085), (445, 4501399), (511, 3920005), (623, 3215285), (805, 2488351), (1679, 1193045), (1915, 1046017), (2047, 978565), (2555, 784001), (2681, 747155), (3115, 643057), (6497, 308315), (8395, 238609), (8809, 227395), (10235, 195713), (11753, 170435), (13405, 149431), (14329, 139795), (27959, 71645), (32485, 61663), (34087, 58765), (44045, 45479)]