664496063

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 887631360

約数和(自身を除く): 223135297

約数列:

[1, 7, 11, 19, 77, 121, 133, 157, 209, 263, 847, 1099, 1463, 1727, 1841, 2299, 2893, 2983, 4997, 12089, 16093, 18997, 20251, 20881, 31823, 32813, 34979, 41291, 54967, 132979, 222761, 229691, 289037, 360943, 384769, 454201, 604637, 784529, 2526601, 3179407, 4232459, 4996211, 5491703, 8629819, 34973477, 60408733, 94928009, 664496063]

約数ペア:

[(1, 664496063), (7, 94928009), (11, 60408733), (19, 34973477), (77, 8629819), (121, 5491703), (133, 4996211), (157, 4232459), (209, 3179407), (263, 2526601), (847, 784529), (1099, 604637), (1463, 454201), (1727, 384769), (1841, 360943), (2299, 289037), (2893, 229691), (2983, 222761), (4997, 132979), (12089, 54967), (16093, 41291), (18997, 34979), (20251, 32813), (20881, 31823)]