1260719999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{9011}}^1$

素因数の和:9131

約数の個数: 32

約数和(自身を含む): 1661091840

約数和(自身を除く): 400371841

約数列:

[1, 7, 11, 23, 77, 79, 161, 253, 553, 869, 1771, 1817, 6083, 9011, 12719, 19987, 63077, 99121, 139909, 207253, 693847, 711869, 1450771, 2279783, 4983083, 7830559, 15958481, 16372987, 54813913, 114610909, 180102857, 1260719999]

約数ペア:

[(1, 1260719999), (7, 180102857), (11, 114610909), (23, 54813913), (77, 16372987), (79, 15958481), (161, 7830559), (253, 4983083), (553, 2279783), (869, 1450771), (1771, 711869), (1817, 693847), (6083, 207253), (9011, 139909), (12719, 99121), (19987, 63077)]