70780255

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 108247104

約数和(自身を除く): 37466849

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 313, 355, 455, 497, 637, 923, 1565, 2191, 2485, 3185, 3479, 4069, 4615, 6461, 10955, 15337, 17395, 20345, 22223, 28483, 32305, 45227, 76685, 111115, 142415, 155561, 199381, 226135, 288899, 777805, 996905, 1088927, 1444495, 2022293, 5444635, 10111465, 14156051, 70780255]

約数ペア:

[(1, 70780255), (5, 14156051), (7, 10111465), (13, 5444635), (35, 2022293), (49, 1444495), (65, 1088927), (71, 996905), (91, 777805), (245, 288899), (313, 226135), (355, 199381), (455, 155561), (497, 142415), (637, 111115), (923, 76685), (1565, 45227), (2191, 32305), (2485, 28483), (3185, 22223), (3479, 20345), (4069, 17395), (4615, 15337), (6461, 10955)]