31415516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 32935204

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 506, 814, 839, 851, 1012, 1628, 1678, 1702, 3356, 3404, 9229, 9361, 18458, 18722, 19297, 31043, 36916, 37444, 38594, 62086, 77188, 124172, 212267, 341473, 424534, 682946, 713989, 849068, 1365892, 1427978, 2855956, 7853879, 15707758, 31415516]

約数ペア:

[(1, 31415516), (2, 15707758), (4, 7853879), (11, 2855956), (22, 1427978), (23, 1365892), (37, 849068), (44, 713989), (46, 682946), (74, 424534), (92, 341473), (148, 212267), (253, 124172), (407, 77188), (506, 62086), (814, 38594), (839, 37444), (851, 36916), (1012, 31043), (1628, 19297), (1678, 18722), (1702, 18458), (3356, 9361), (3404, 9229)]