2666405

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 1273435

約数列:

[1, 5, 7, 29, 35, 37, 71, 145, 185, 203, 259, 355, 497, 1015, 1073, 1295, 2059, 2485, 2627, 5365, 7511, 10295, 13135, 14413, 18389, 37555, 72065, 76183, 91945, 380915, 533281, 2666405]

約数ペア:

[(1, 2666405), (5, 533281), (7, 380915), (29, 91945), (35, 76183), (37, 72065), (71, 37555), (145, 18389), (185, 14413), (203, 13135), (259, 10295), (355, 7511), (497, 5365), (1015, 2627), (1073, 2485), (1295, 2059)]