81771910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4297}}^1$

素因数の和:4488

約数の個数: 32

約数和(自身を含む): 161536032

約数和(自身を除く): 79764122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1730, 1903, 3806, 4297, 8594, 9515, 19030, 21485, 42970, 47267, 94534, 236335, 472670, 743381, 1486762, 3716905, 7433810, 8177191, 16354382, 40885955, 81771910]

約数ペア:

[(1, 81771910), (2, 40885955), (5, 16354382), (10, 8177191), (11, 7433810), (22, 3716905), (55, 1486762), (110, 743381), (173, 472670), (346, 236335), (865, 94534), (1730, 47267), (1903, 42970), (3806, 21485), (4297, 19030), (8594, 9515)]