397249918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{135211}}^1$

素因数の和:135339

約数の個数: 16

約数和(自身を含む): 647395056

約数和(自身を除く): 250145138

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 135211, 270422, 1757743, 3515486, 15278843, 30557686, 198624959, 397249918]

約数ペア:

[(1, 397249918), (2, 198624959), (13, 30557686), (26, 15278843), (113, 3515486), (226, 1757743), (1469, 270422), (2938, 135211)]