12511405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 17141760

約数和(自身を除く): 4630355

約数列:

[1, 5, 17, 19, 61, 85, 95, 127, 305, 323, 635, 1037, 1159, 1615, 2159, 2413, 5185, 5795, 7747, 10795, 12065, 19703, 38735, 41021, 98515, 131699, 147193, 205105, 658495, 735965, 2502281, 12511405]

約数ペア:

[(1, 12511405), (5, 2502281), (17, 735965), (19, 658495), (61, 205105), (85, 147193), (95, 131699), (127, 98515), (305, 41021), (323, 38735), (635, 19703), (1037, 12065), (1159, 10795), (1615, 7747), (2159, 5795), (2413, 5185)]