31281664

素因数分解:

$2^9\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 40

約数和(自身を含む): 63196848

約数和(自身を除く): 31915184

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 256, 428, 512, 571, 856, 1142, 1712, 2284, 3424, 4568, 6848, 9136, 13696, 18272, 27392, 36544, 54784, 61097, 73088, 122194, 146176, 244388, 292352, 488776, 977552, 1955104, 3910208, 7820416, 15640832, 31281664]

約数ペア:

[(1, 31281664), (2, 15640832), (4, 7820416), (8, 3910208), (16, 1955104), (32, 977552), (64, 488776), (107, 292352), (128, 244388), (214, 146176), (256, 122194), (428, 73088), (512, 61097), (571, 54784), (856, 36544), (1142, 27392), (1712, 18272), (2284, 13696), (3424, 9136), (4568, 6848)]