81202912

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2309}}^1$

素因数の和:2483

約数の個数: 48

約数和(自身を含む): 183949920

約数和(自身を除く): 102747008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 1099, 1256, 2198, 2309, 2512, 4396, 4618, 5024, 8792, 9236, 16163, 17584, 18472, 32326, 35168, 36944, 64652, 73888, 129304, 258608, 362513, 517216, 725026, 1450052, 2537591, 2900104, 5075182, 5800208, 10150364, 11600416, 20300728, 40601456, 81202912]

約数ペア:

[(1, 81202912), (2, 40601456), (4, 20300728), (7, 11600416), (8, 10150364), (14, 5800208), (16, 5075182), (28, 2900104), (32, 2537591), (56, 1450052), (112, 725026), (157, 517216), (224, 362513), (314, 258608), (628, 129304), (1099, 73888), (1256, 64652), (2198, 36944), (2309, 35168), (2512, 32326), (4396, 18472), (4618, 17584), (5024, 16163), (8792, 9236)]