7131728945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{35731}}^1$

素因数の和:35957

約数の個数: 32

約数和(自身を含む): 9879183360

約数和(自身を除く): 2747454415

約数列:

[1, 5, 11, 19, 55, 95, 191, 209, 955, 1045, 2101, 3629, 10505, 18145, 35731, 39919, 178655, 199595, 393041, 678889, 1965205, 3394445, 6824621, 7467779, 34123105, 37338895, 75070831, 129667799, 375354155, 648338995, 1426345789, 7131728945]

約数ペア:

[(1, 7131728945), (5, 1426345789), (11, 648338995), (19, 375354155), (55, 129667799), (95, 75070831), (191, 37338895), (209, 34123105), (955, 7467779), (1045, 6824621), (2101, 3394445), (3629, 1965205), (10505, 678889), (18145, 393041), (35731, 199595), (39919, 178655)]