257026825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54979}}^1$

素因数の和:55017

約数の個数: 24

約数和(自身を含む): 368146080

約数和(自身を除く): 111119255

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 54979, 274895, 604769, 934643, 1374475, 3023845, 4673215, 10281073, 15119225, 23366075, 51405365, 257026825]

約数ペア:

[(1, 257026825), (5, 51405365), (11, 23366075), (17, 15119225), (25, 10281073), (55, 4673215), (85, 3023845), (187, 1374475), (275, 934643), (425, 604769), (935, 274895), (4675, 54979)]