2490147478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{441359}}^1$

素因数の和:441412

約数の個数: 32

約数和(自身を含む): 4745502720

約数和(自身を除く): 2255355242

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 441359, 882718, 3089513, 5737667, 6179026, 11475334, 13682129, 27364258, 40163669, 80327338, 95774903, 177867677, 191549806, 355735354, 1245073739, 2490147478]

約数ペア:

[(1, 2490147478), (2, 1245073739), (7, 355735354), (13, 191549806), (14, 177867677), (26, 95774903), (31, 80327338), (62, 40163669), (91, 27364258), (182, 13682129), (217, 11475334), (403, 6179026), (434, 5737667), (806, 3089513), (2821, 882718), (5642, 441359)]