81752552

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 181440000

約数和(自身を除く): 99687448

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 89, 94, 178, 188, 329, 349, 356, 376, 623, 658, 698, 712, 1246, 1316, 1396, 2443, 2492, 2632, 2792, 4183, 4886, 4984, 8366, 9772, 16403, 16732, 19544, 29281, 31061, 32806, 33464, 58562, 62122, 65612, 114821, 117124, 124244, 131224, 217427, 229642, 234248, 248488, 434854, 459284, 869708, 918568, 1459867, 1739416, 2919734, 5839468, 10219069, 11678936, 20438138, 40876276, 81752552]

約数ペア:

[(1, 81752552), (2, 40876276), (4, 20438138), (7, 11678936), (8, 10219069), (14, 5839468), (28, 2919734), (47, 1739416), (56, 1459867), (89, 918568), (94, 869708), (178, 459284), (188, 434854), (329, 248488), (349, 234248), (356, 229642), (376, 217427), (623, 131224), (658, 124244), (698, 117124), (712, 114821), (1246, 65612), (1316, 62122), (1396, 58562), (2443, 33464), (2492, 32806), (2632, 31061), (2792, 29281), (4183, 19544), (4886, 16732), (4984, 16403), (8366, 9772)]