645779394

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{3329}}^1$

素因数の和:4179

約数の個数: 48

約数和(自身を含む): 1509089400

約数和(自身を除く): 863310006

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 829, 1658, 2487, 3329, 4974, 6658, 7461, 9987, 10777, 14922, 19974, 21554, 29961, 32331, 43277, 59922, 64662, 86554, 96993, 129831, 193986, 259662, 389493, 778986, 2759741, 5519482, 8279223, 16558446, 24837669, 35876633, 49675338, 71753266, 107629899, 215259798, 322889697, 645779394]

約数ペア:

[(1, 645779394), (2, 322889697), (3, 215259798), (6, 107629899), (9, 71753266), (13, 49675338), (18, 35876633), (26, 24837669), (39, 16558446), (78, 8279223), (117, 5519482), (234, 2759741), (829, 778986), (1658, 389493), (2487, 259662), (3329, 193986), (4974, 129831), (6658, 96993), (7461, 86554), (9987, 64662), (10777, 59922), (14922, 43277), (19974, 32331), (21554, 29961)]