279661284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20939}}^1$

素因数の和:21009

約数の個数: 72

約数和(自身を含む): 823193280

約数和(自身を除く): 543531996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 20939, 41878, 62817, 83756, 125634, 146573, 188451, 251268, 293146, 376902, 439719, 586292, 753804, 879438, 1109767, 1319157, 1758876, 2219534, 2638314, 3329301, 4439068, 5276628, 6658602, 7768369, 9987903, 13317204, 15536738, 19975806, 23305107, 31073476, 39951612, 46610214, 69915321, 93220428, 139830642, 279661284]

約数ペア:

[(1, 279661284), (2, 139830642), (3, 93220428), (4, 69915321), (6, 46610214), (7, 39951612), (9, 31073476), (12, 23305107), (14, 19975806), (18, 15536738), (21, 13317204), (28, 9987903), (36, 7768369), (42, 6658602), (53, 5276628), (63, 4439068), (84, 3329301), (106, 2638314), (126, 2219534), (159, 1758876), (212, 1319157), (252, 1109767), (318, 879438), (371, 753804), (477, 586292), (636, 439719), (742, 376902), (954, 293146), (1113, 251268), (1484, 188451), (1908, 146573), (2226, 125634), (3339, 83756), (4452, 62817), (6678, 41878), (13356, 20939)]