8156005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 12467952

約数和(自身を除く): 4311947

約数列:

[1, 5, 11, 13, 17, 55, 61, 65, 85, 121, 143, 187, 221, 305, 605, 671, 715, 793, 935, 1037, 1105, 1573, 2057, 2431, 3355, 3965, 5185, 7381, 7865, 8723, 10285, 11407, 12155, 13481, 26741, 36905, 43615, 57035, 67405, 95953, 125477, 133705, 148291, 479765, 627385, 741455, 1631201, 8156005]

約数ペア:

[(1, 8156005), (5, 1631201), (11, 741455), (13, 627385), (17, 479765), (55, 148291), (61, 133705), (65, 125477), (85, 95953), (121, 67405), (143, 57035), (187, 43615), (221, 36905), (305, 26741), (605, 13481), (671, 12155), (715, 11407), (793, 10285), (935, 8723), (1037, 7865), (1105, 7381), (1573, 5185), (2057, 3965), (2431, 3355)]