71228990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2417}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 146937024

約数和(自身を除く): 75708034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 2105, 2417, 2947, 4210, 4834, 5894, 12085, 14735, 16919, 24170, 29470, 33838, 84595, 169190, 1017557, 2035114, 5087785, 7122899, 10175570, 14245798, 35614495, 71228990]

約数ペア:

[(1, 71228990), (2, 35614495), (5, 14245798), (7, 10175570), (10, 7122899), (14, 5087785), (35, 2035114), (70, 1017557), (421, 169190), (842, 84595), (2105, 33838), (2417, 29470), (2947, 24170), (4210, 16919), (4834, 14735), (5894, 12085)]