2018907605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 3011662080

約数和(自身を除く): 992754475

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 353, 421, 715, 1045, 1235, 1765, 2105, 2717, 3883, 4589, 4631, 5473, 6707, 7999, 13585, 19415, 22945, 23155, 27365, 33535, 39995, 50479, 60203, 73777, 87191, 87989, 103987, 148613, 252395, 301015, 368885, 435955, 439945, 519935, 743065, 959101, 1143857, 1634743, 1931969, 2823647, 4795505, 5719285, 8173715, 9659845, 14118235, 21251659, 31060117, 36707411, 106258295, 155300585, 183537055, 403781521, 2018907605]

約数ペア:

[(1, 2018907605), (5, 403781521), (11, 183537055), (13, 155300585), (19, 106258295), (55, 36707411), (65, 31060117), (95, 21251659), (143, 14118235), (209, 9659845), (247, 8173715), (353, 5719285), (421, 4795505), (715, 2823647), (1045, 1931969), (1235, 1634743), (1765, 1143857), (2105, 959101), (2717, 743065), (3883, 519935), (4589, 439945), (4631, 435955), (5473, 368885), (6707, 301015), (7999, 252395), (13585, 148613), (19415, 103987), (22945, 87989), (23155, 87191), (27365, 73777), (33535, 60203), (39995, 50479)]