1800000013

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{46643}}^1$

素因数の和:46836

約数の個数: 16

約数和(自身を含む): 2126966400

約数和(自身を除く): 326966387

約数列:

[1, 7, 37, 149, 259, 1043, 5513, 38591, 46643, 326501, 1725791, 6949807, 12080537, 48648649, 257142859, 1800000013]

約数ペア:

[(1, 1800000013), (7, 257142859), (37, 48648649), (149, 12080537), (259, 6949807), (1043, 1725791), (5513, 326501), (38591, 46643)]