2581203065

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 3792752640

約数和(自身を除く): 1211549575

約数列:

[1, 5, 7, 31, 35, 37, 113, 155, 185, 217, 259, 565, 569, 791, 1085, 1147, 1295, 2845, 3503, 3955, 3983, 4181, 5735, 8029, 17515, 17639, 19915, 20905, 21053, 24521, 29267, 40145, 64297, 88195, 105265, 122605, 123473, 129611, 146335, 147371, 321485, 450079, 617365, 648055, 652643, 736855, 907277, 1993207, 2250395, 2378989, 3263215, 4536385, 4568501, 9966035, 11894945, 13952449, 16652923, 22842505, 69762245, 73748659, 83264615, 368743295, 516240613, 2581203065]

約数ペア:

[(1, 2581203065), (5, 516240613), (7, 368743295), (31, 83264615), (35, 73748659), (37, 69762245), (113, 22842505), (155, 16652923), (185, 13952449), (217, 11894945), (259, 9966035), (565, 4568501), (569, 4536385), (791, 3263215), (1085, 2378989), (1147, 2250395), (1295, 1993207), (2845, 907277), (3503, 736855), (3955, 652643), (3983, 648055), (4181, 617365), (5735, 450079), (8029, 321485), (17515, 147371), (17639, 146335), (19915, 129611), (20905, 123473), (21053, 122605), (24521, 105265), (29267, 88195), (40145, 64297)]