2011658545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 2760635520

約数和(自身を除く): 748976975

約数列:

[1, 5, 13, 23, 65, 89, 115, 169, 299, 445, 845, 1157, 1163, 1495, 2047, 3887, 5785, 5815, 10235, 15041, 15119, 19435, 26611, 26749, 75205, 75595, 103507, 133055, 133745, 196547, 345943, 347737, 517535, 982735, 1345591, 1729715, 1738685, 2380661, 4520581, 6727955, 11903305, 17492683, 22602905, 30948593, 87463415, 154742965, 402331709, 2011658545]

約数ペア:

[(1, 2011658545), (5, 402331709), (13, 154742965), (23, 87463415), (65, 30948593), (89, 22602905), (115, 17492683), (169, 11903305), (299, 6727955), (445, 4520581), (845, 2380661), (1157, 1738685), (1163, 1729715), (1495, 1345591), (2047, 982735), (3887, 517535), (5785, 347737), (5815, 345943), (10235, 196547), (15041, 133745), (15119, 133055), (19435, 103507), (26611, 75595), (26749, 75205)]