981974455

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 1503705600

約数和(自身を除く): 521731145

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 199, 245, 385, 539, 995, 1393, 1831, 2189, 2695, 6965, 9155, 9751, 10945, 12817, 15323, 20141, 48755, 64085, 76615, 89719, 100705, 107261, 140987, 364369, 448595, 536305, 704935, 986909, 1821845, 2550583, 4008059, 4934545, 12752915, 17854081, 20040295, 28056413, 89270405, 140282065, 196394891, 981974455]

約数ペア:

[(1, 981974455), (5, 196394891), (7, 140282065), (11, 89270405), (35, 28056413), (49, 20040295), (55, 17854081), (77, 12752915), (199, 4934545), (245, 4008059), (385, 2550583), (539, 1821845), (995, 986909), (1393, 704935), (1831, 536305), (2189, 448595), (2695, 364369), (6965, 140987), (9155, 107261), (9751, 100705), (10945, 89719), (12817, 76615), (15323, 64085), (20141, 48755)]