201109985

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 256483584

約数和(自身を除く): 55373599

約数列:

[1, 5, 37, 61, 71, 185, 251, 305, 355, 1255, 2257, 2627, 4331, 9287, 11285, 13135, 15311, 17821, 21655, 46435, 76555, 89105, 160247, 566507, 659377, 801235, 1087081, 2832535, 3296885, 5435405, 40221997, 201109985]

約数ペア:

[(1, 201109985), (5, 40221997), (37, 5435405), (61, 3296885), (71, 2832535), (185, 1087081), (251, 801235), (305, 659377), (355, 566507), (1255, 160247), (2257, 89105), (2627, 76555), (4331, 46435), (9287, 21655), (11285, 17821), (13135, 15311)]