31204145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 13792975

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 355, 433, 497, 1015, 2059, 2165, 2485, 3031, 10295, 12557, 14413, 15155, 30743, 62785, 72065, 87899, 153715, 215201, 439495, 891547, 1076005, 4457735, 6240829, 31204145]

約数ペア:

[(1, 31204145), (5, 6240829), (7, 4457735), (29, 1076005), (35, 891547), (71, 439495), (145, 215201), (203, 153715), (355, 87899), (433, 72065), (497, 62785), (1015, 30743), (2059, 15155), (2165, 14413), (2485, 12557), (3031, 10295)]