256218325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49037}}^1$

素因数の和:49077

約数の個数: 24

約数和(自身を含む): 364842720

約数和(自身を除く): 108624395

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 49037, 245185, 539407, 931703, 1225925, 2697035, 4658515, 10248733, 13485175, 23292575, 51243665, 256218325]

約数ペア:

[(1, 256218325), (5, 51243665), (11, 23292575), (19, 13485175), (25, 10248733), (55, 4658515), (95, 2697035), (209, 1225925), (275, 931703), (475, 539407), (1045, 245185), (5225, 49037)]