861004406639

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{18461}}^1$

素因数の和:18708

約数の個数: 48

約数和(自身を含む): 980805417984

約数和(自身を除く): 119801011345

約数列:

[1, 13, 41, 53, 127, 169, 533, 689, 1651, 2173, 5207, 6731, 6929, 8957, 18461, 21463, 28249, 67691, 87503, 239993, 275971, 367237, 756901, 879983, 978433, 1137539, 2344547, 3119909, 3587623, 9839713, 12719629, 30479111, 40115753, 46639099, 96126427, 124260991, 127916269, 165355177, 396228443, 521504789, 1249643551, 1615392883, 5094700631, 6779562257, 16245366163, 21000107479, 66231108203, 861004406639]

約数ペア:

[(1, 861004406639), (13, 66231108203), (41, 21000107479), (53, 16245366163), (127, 6779562257), (169, 5094700631), (533, 1615392883), (689, 1249643551), (1651, 521504789), (2173, 396228443), (5207, 165355177), (6731, 127916269), (6929, 124260991), (8957, 96126427), (18461, 46639099), (21463, 40115753), (28249, 30479111), (67691, 12719629), (87503, 9839713), (239993, 3587623), (275971, 3119909), (367237, 2344547), (756901, 1137539), (879983, 978433)]