78427370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1120391}}^1$

素因数の和:1120405

約数の個数: 16

約数和(自身を含む): 161336448

約数和(自身を除く): 82909078

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1120391, 2240782, 5601955, 7842737, 11203910, 15685474, 39213685, 78427370]

約数ペア:

[(1, 78427370), (2, 39213685), (5, 15685474), (7, 11203910), (10, 7842737), (14, 5601955), (35, 2240782), (70, 1120391)]