664804671

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 935193600

約数和(自身を除く): 270388929

約数列:

[1, 3, 29, 79, 87, 197, 237, 491, 591, 1473, 2291, 5713, 6873, 14239, 15563, 17139, 38789, 42717, 46689, 96727, 116367, 290181, 451327, 1124881, 1353981, 2805083, 3374643, 7641433, 8415249, 22924299, 221601557, 664804671]

約数ペア:

[(1, 664804671), (3, 221601557), (29, 22924299), (79, 8415249), (87, 7641433), (197, 3374643), (237, 2805083), (491, 1353981), (591, 1124881), (1473, 451327), (2291, 290181), (5713, 116367), (6873, 96727), (14239, 46689), (15563, 42717), (17139, 38789)]