78240701

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 101088000

約数和(自身を除く): 22847299

約数列:

[1, 7, 11, 49, 77, 89, 233, 343, 539, 623, 979, 1631, 2563, 3773, 4361, 6853, 11417, 17941, 20737, 30527, 47971, 79919, 125587, 145159, 228107, 335797, 879109, 1016113, 1596749, 7112791, 11177243, 78240701]

約数ペア:

[(1, 78240701), (7, 11177243), (11, 7112791), (49, 1596749), (77, 1016113), (89, 879109), (233, 335797), (343, 228107), (539, 145159), (623, 125587), (979, 79919), (1631, 47971), (2563, 30527), (3773, 20737), (4361, 17941), (6853, 11417)]