205511914

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{21601}}^1$

素因数の和:21741

約数の個数: 16

約数和(自身を含む): 317290176

約数和(自身を除く): 111778262

約数列:

[1, 2, 67, 71, 134, 142, 4757, 9514, 21601, 43202, 1447267, 1533671, 2894534, 3067342, 102755957, 205511914]

約数ペア:

[(1, 205511914), (2, 102755957), (67, 3067342), (71, 2894534), (134, 1533671), (142, 1447267), (4757, 43202), (9514, 21601)]