2109558815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 3316432896

約数和(自身を除く): 1206874081

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 223, 455, 595, 1105, 1115, 1223, 1547, 1561, 2899, 3791, 6115, 7735, 7805, 8561, 14495, 15899, 18955, 20293, 20791, 26537, 42805, 49283, 79495, 101465, 103955, 111293, 132685, 145537, 246415, 270283, 272729, 344981, 556465, 727685, 1351415, 1363645, 1724905, 1891981, 1909103, 3545477, 4636393, 9459905, 9545515, 17727385, 23181965, 24818339, 32454751, 60273109, 124091695, 162273755, 301365545, 421911763, 2109558815]

約数ペア:

[(1, 2109558815), (5, 421911763), (7, 301365545), (13, 162273755), (17, 124091695), (35, 60273109), (65, 32454751), (85, 24818339), (91, 23181965), (119, 17727385), (221, 9545515), (223, 9459905), (455, 4636393), (595, 3545477), (1105, 1909103), (1115, 1891981), (1223, 1724905), (1547, 1363645), (1561, 1351415), (2899, 727685), (3791, 556465), (6115, 344981), (7735, 272729), (7805, 270283), (8561, 246415), (14495, 145537), (15899, 132685), (18955, 111293), (20293, 103955), (20791, 101465), (26537, 79495), (42805, 49283)]