678950075

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{547}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 852118080

約数和(自身を除く): 173168005

約数列:

[1, 5, 25, 131, 379, 547, 655, 1895, 2735, 3275, 9475, 13675, 49649, 71657, 207313, 248245, 358285, 1036565, 1241225, 1791425, 5182825, 27158003, 135790015, 678950075]

約数ペア:

[(1, 678950075), (5, 135790015), (25, 27158003), (131, 5182825), (379, 1791425), (547, 1241225), (655, 1036565), (1895, 358285), (2735, 248245), (3275, 207313), (9475, 71657), (13675, 49649)]