287798984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{17489}}^1$

素因数の和:17534

約数の個数: 48

約数和(自身を含む): 628065900

約数和(自身を除く): 340266916

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1496, 2057, 4114, 8228, 16456, 17489, 34978, 69956, 139912, 192379, 297313, 384758, 594626, 769516, 1189252, 1539032, 2116169, 2378504, 3270443, 4232338, 6540886, 8464676, 13081772, 16929352, 26163544, 35974873, 71949746, 143899492, 287798984]

約数ペア:

[(1, 287798984), (2, 143899492), (4, 71949746), (8, 35974873), (11, 26163544), (17, 16929352), (22, 13081772), (34, 8464676), (44, 6540886), (68, 4232338), (88, 3270443), (121, 2378504), (136, 2116169), (187, 1539032), (242, 1189252), (374, 769516), (484, 594626), (748, 384758), (968, 297313), (1496, 192379), (2057, 139912), (4114, 69956), (8228, 34978), (16456, 17489)]