78864765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 149276160

約数和(自身を除く): 70411395

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 1759, 2135, 2989, 5277, 6405, 8795, 8967, 12313, 14945, 26385, 36939, 44835, 61565, 86191, 107299, 184695, 258573, 321897, 430955, 536495, 751093, 1292865, 1609485, 2253279, 3755465, 5257651, 11266395, 15772953, 26288255, 78864765]

約数ペア:

[(1, 78864765), (3, 26288255), (5, 15772953), (7, 11266395), (15, 5257651), (21, 3755465), (35, 2253279), (49, 1609485), (61, 1292865), (105, 751093), (147, 536495), (183, 430955), (245, 321897), (305, 258573), (427, 184695), (735, 107299), (915, 86191), (1281, 61565), (1759, 44835), (2135, 36939), (2989, 26385), (5277, 14945), (6405, 12313), (8795, 8967)]