977891165

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 1287031680

約数和(自身を除く): 309140515

約数列:

[1, 5, 29, 43, 47, 71, 145, 215, 235, 355, 1247, 1363, 2021, 2059, 2209, 3053, 3337, 6235, 6815, 10105, 10295, 11045, 15265, 16685, 58609, 64061, 88537, 94987, 96773, 143491, 156839, 293045, 320305, 442685, 474935, 483865, 717455, 784195, 2754623, 4161239, 4548331, 6744077, 13773115, 20806195, 22741655, 33720385, 195578233, 977891165]

約数ペア:

[(1, 977891165), (5, 195578233), (29, 33720385), (43, 22741655), (47, 20806195), (71, 13773115), (145, 6744077), (215, 4548331), (235, 4161239), (355, 2754623), (1247, 784195), (1363, 717455), (2021, 483865), (2059, 474935), (2209, 442685), (3053, 320305), (3337, 293045), (6235, 156839), (6815, 143491), (10105, 96773), (10295, 94987), (11045, 88537), (15265, 64061), (16685, 58609)]