977185286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2591}}^1$

素因数の和:2721

約数の個数: 64

約数和(自身を含む): 1911029760

約数和(自身を除く): 933844474

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 79, 154, 158, 217, 341, 434, 553, 682, 869, 1106, 1738, 2387, 2449, 2591, 4774, 4898, 5182, 6083, 12166, 17143, 18137, 26939, 28501, 34286, 36274, 53878, 57002, 80321, 160642, 188573, 199507, 204689, 377146, 399014, 409378, 562247, 883531, 1124494, 1432823, 1767062, 2251579, 2865646, 4503158, 6184717, 6345359, 12369434, 12690718, 15761053, 31522106, 44417513, 69798949, 88835026, 139597898, 488592643, 977185286]

約数ペア:

[(1, 977185286), (2, 488592643), (7, 139597898), (11, 88835026), (14, 69798949), (22, 44417513), (31, 31522106), (62, 15761053), (77, 12690718), (79, 12369434), (154, 6345359), (158, 6184717), (217, 4503158), (341, 2865646), (434, 2251579), (553, 1767062), (682, 1432823), (869, 1124494), (1106, 883531), (1738, 562247), (2387, 409378), (2449, 399014), (2591, 377146), (4774, 204689), (4898, 199507), (5182, 188573), (6083, 160642), (12166, 80321), (17143, 57002), (18137, 53878), (26939, 36274), (28501, 34286)]