639769102

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2405147}}^1$

素因数の和:2405175

約数の個数: 16

約数和(自身を含む): 1154471040

約数和(自身を除く): 514701938

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2405147, 4810294, 16836029, 33672058, 45697793, 91395586, 319884551, 639769102]

約数ペア:

[(1, 639769102), (2, 319884551), (7, 91395586), (14, 45697793), (19, 33672058), (38, 16836029), (133, 4810294), (266, 2405147)]