219937588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{13513}}^1$

素因数の和:13843

約数の個数: 24

約数和(自身を含む): 415852808

約数和(自身を除く): 195915220

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1252, 4069, 8138, 13513, 16276, 27026, 54052, 175669, 351338, 702676, 4229569, 8459138, 16918276, 54984397, 109968794, 219937588]

約数ペア:

[(1, 219937588), (2, 109968794), (4, 54984397), (13, 16918276), (26, 8459138), (52, 4229569), (313, 702676), (626, 351338), (1252, 175669), (4069, 54052), (8138, 27026), (13513, 16276)]