66987410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136709}}^1$

素因数の和:136730

約数の個数: 24

約数和(自身を含む): 140264460

約数和(自身を除く): 73277050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136709, 273418, 683545, 956963, 1367090, 1913926, 4784815, 6698741, 9569630, 13397482, 33493705, 66987410]

約数ペア:

[(1, 66987410), (2, 33493705), (5, 13397482), (7, 9569630), (10, 6698741), (14, 4784815), (35, 1913926), (49, 1367090), (70, 956963), (98, 683545), (245, 273418), (490, 136709)]