820895488

素因数分解:

$2^8\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3607}}^1$

素因数の和:3757

約数の個数: 72

約数和(自身を含む): 1887936512

約数和(自身を除く): 1067041024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 508, 889, 896, 1016, 1778, 1792, 2032, 3556, 3607, 4064, 7112, 7214, 8128, 14224, 14428, 16256, 25249, 28448, 28856, 32512, 50498, 56896, 57712, 100996, 113792, 115424, 201992, 227584, 230848, 403984, 458089, 461696, 807968, 916178, 923392, 1615936, 1832356, 3206623, 3231872, 3664712, 6413246, 6463744, 7329424, 12826492, 14658848, 25652984, 29317696, 51305968, 58635392, 102611936, 117270784, 205223872, 410447744, 820895488]

約数ペア:

[(1, 820895488), (2, 410447744), (4, 205223872), (7, 117270784), (8, 102611936), (14, 58635392), (16, 51305968), (28, 29317696), (32, 25652984), (56, 14658848), (64, 12826492), (112, 7329424), (127, 6463744), (128, 6413246), (224, 3664712), (254, 3231872), (256, 3206623), (448, 1832356), (508, 1615936), (889, 923392), (896, 916178), (1016, 807968), (1778, 461696), (1792, 458089), (2032, 403984), (3556, 230848), (3607, 227584), (4064, 201992), (7112, 115424), (7214, 113792), (8128, 100996), (14224, 57712), (14428, 56896), (16256, 50498), (25249, 32512), (28448, 28856)]