231712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:580

約数の個数: 24

約数和(自身を含む): 492156

約数和(自身を除く): 260444

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 557, 1114, 2228, 4456, 7241, 8912, 14482, 17824, 28964, 57928, 115856, 231712]

約数ペア:

[(1, 231712), (2, 115856), (4, 57928), (8, 28964), (13, 17824), (16, 14482), (26, 8912), (32, 7241), (52, 4456), (104, 2228), (208, 1114), (416, 557)]