678320139065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1\times {\mathrm{8513}}^1$

素因数の和:9809

約数の個数: 32

約数和(自身を含む): 835819243776

約数和(自身を除く): 157499104711

約数列:

[1, 5, 43, 215, 487, 761, 2435, 3805, 8513, 20941, 32723, 42565, 104705, 163615, 366059, 370607, 1830295, 1853035, 4145831, 6478393, 15936101, 20729155, 32391965, 79680505, 178270733, 278570899, 891353665, 1392854495, 3154977391, 15774886955, 135664027813, 678320139065]

約数ペア:

[(1, 678320139065), (5, 135664027813), (43, 15774886955), (215, 3154977391), (487, 1392854495), (761, 891353665), (2435, 278570899), (3805, 178270733), (8513, 79680505), (20941, 32391965), (32723, 20729155), (42565, 15936101), (104705, 6478393), (163615, 4145831), (366059, 1853035), (370607, 1830295)]