491725990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{65651}}^1$

素因数の和:65772

約数の個数: 32

約数和(自身を含む): 1021019904

約数和(自身を除く): 529293914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 65651, 131302, 328255, 459557, 656510, 919114, 2297785, 4595570, 7024657, 14049314, 35123285, 49172599, 70246570, 98345198, 245862995, 491725990]

約数ペア:

[(1, 491725990), (2, 245862995), (5, 98345198), (7, 70246570), (10, 49172599), (14, 35123285), (35, 14049314), (70, 7024657), (107, 4595570), (214, 2297785), (535, 919114), (749, 656510), (1070, 459557), (1498, 328255), (3745, 131302), (7490, 65651)]