661229426

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2219

約数の個数: 48

約数和(自身を含む): 1186265304

約数和(自身を除く): 525035878

約数列:

[1, 2, 11, 13, 22, 26, 101, 121, 143, 202, 242, 286, 1111, 1313, 1573, 2081, 2222, 2626, 3146, 4162, 12221, 14443, 22891, 24442, 27053, 28886, 45782, 54106, 158873, 210181, 251801, 297583, 317746, 420362, 503602, 595166, 2311991, 2732353, 3273413, 4623982, 5464706, 6546826, 25431901, 30055883, 50863802, 60111766, 330614713, 661229426]

約数ペア:

[(1, 661229426), (2, 330614713), (11, 60111766), (13, 50863802), (22, 30055883), (26, 25431901), (101, 6546826), (121, 5464706), (143, 4623982), (202, 3273413), (242, 2732353), (286, 2311991), (1111, 595166), (1313, 503602), (1573, 420362), (2081, 317746), (2222, 297583), (2626, 251801), (3146, 210181), (4162, 158873), (12221, 54106), (14443, 45782), (22891, 28886), (24442, 27053)]