2801234555

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 4140564480

約数和(自身を除く): 1339329925

約数列:

[1, 5, 7, 29, 31, 35, 127, 145, 155, 203, 217, 635, 701, 889, 899, 1015, 1085, 3505, 3683, 3937, 4445, 4495, 4907, 6293, 18415, 19685, 20329, 21731, 24535, 25781, 27559, 31465, 89027, 101645, 108655, 114173, 128905, 137795, 142303, 152117, 445135, 570865, 623189, 630199, 711515, 760585, 799211, 2581783, 2759837, 3115945, 3150995, 3996055, 4411393, 12908915, 13799185, 18072481, 19318859, 22056965, 80035273, 90362405, 96594295, 400176365, 560246911, 2801234555]

約数ペア:

[(1, 2801234555), (5, 560246911), (7, 400176365), (29, 96594295), (31, 90362405), (35, 80035273), (127, 22056965), (145, 19318859), (155, 18072481), (203, 13799185), (217, 12908915), (635, 4411393), (701, 3996055), (889, 3150995), (899, 3115945), (1015, 2759837), (1085, 2581783), (3505, 799211), (3683, 760585), (3937, 711515), (4445, 630199), (4495, 623189), (4907, 570865), (6293, 445135), (18415, 152117), (19685, 142303), (20329, 137795), (21731, 128905), (24535, 114173), (25781, 108655), (27559, 101645), (31465, 89027)]