128464495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 39186065

約数列:

[1, 5, 17, 83, 85, 131, 139, 415, 655, 695, 1411, 2227, 2363, 7055, 10873, 11135, 11537, 11815, 18209, 54365, 57685, 91045, 184841, 196129, 309553, 924205, 980645, 1511347, 1547765, 7556735, 25692899, 128464495]

約数ペア:

[(1, 128464495), (5, 25692899), (17, 7556735), (83, 1547765), (85, 1511347), (131, 980645), (139, 924205), (415, 309553), (655, 196129), (695, 184841), (1411, 91045), (2227, 57685), (2363, 54365), (7055, 18209), (10873, 11815), (11135, 11537)]