81708396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8039}}^1$

素因数の和:8075

約数の個数: 72

約数和(自身を含む): 239527680

約数和(自身を除く): 157819284

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 8039, 10164, 16078, 24117, 32156, 48234, 56273, 88429, 96468, 112546, 168819, 176858, 225092, 265287, 337638, 353716, 530574, 619003, 675276, 972719, 1061148, 1238006, 1857009, 1945438, 2476012, 2918157, 3714018, 3890876, 5836314, 6809033, 7428036, 11672628, 13618066, 20427099, 27236132, 40854198, 81708396]

約数ペア:

[(1, 81708396), (2, 40854198), (3, 27236132), (4, 20427099), (6, 13618066), (7, 11672628), (11, 7428036), (12, 6809033), (14, 5836314), (21, 3890876), (22, 3714018), (28, 2918157), (33, 2476012), (42, 1945438), (44, 1857009), (66, 1238006), (77, 1061148), (84, 972719), (121, 675276), (132, 619003), (154, 530574), (231, 353716), (242, 337638), (308, 265287), (363, 225092), (462, 176858), (484, 168819), (726, 112546), (847, 96468), (924, 88429), (1452, 56273), (1694, 48234), (2541, 32156), (3388, 24117), (5082, 16078), (8039, 10164)]