28713780865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{3319}}^1$

素因数の和:4342

約数の個数: 64

約数和(自身を含む): 44885975040

約数和(自身を除く): 16172194175

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 977, 1265, 1771, 3319, 4885, 6839, 8855, 10747, 16595, 22471, 23233, 34195, 36509, 53735, 75229, 76337, 112355, 116165, 157297, 182545, 247181, 255563, 376145, 381685, 534359, 786485, 839707, 1235905, 1277815, 1730267, 2671795, 3242663, 4198535, 5877949, 8651335, 16213315, 22698641, 29389745, 35669293, 74581249, 113493205, 178346465, 249685051, 372906245, 522068743, 820393739, 1248425255, 2610343715, 4101968695, 5742756173, 28713780865]

約数ペア:

[(1, 28713780865), (5, 5742756173), (7, 4101968695), (11, 2610343715), (23, 1248425255), (35, 820393739), (55, 522068743), (77, 372906245), (115, 249685051), (161, 178346465), (253, 113493205), (385, 74581249), (805, 35669293), (977, 29389745), (1265, 22698641), (1771, 16213315), (3319, 8651335), (4885, 5877949), (6839, 4198535), (8855, 3242663), (10747, 2671795), (16595, 1730267), (22471, 1277815), (23233, 1235905), (34195, 839707), (36509, 786485), (53735, 534359), (75229, 381685), (76337, 376145), (112355, 255563), (116165, 247181), (157297, 182545)]