219335908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{31751}}^1$

素因数の和:31923

約数の個数: 24

約数和(自身を含む): 421412544

約数和(自身を除く): 202076636

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 31751, 63502, 127004, 349261, 698522, 1397044, 4984907, 9969814, 19939628, 54833977, 109667954, 219335908]

約数ペア:

[(1, 219335908), (2, 109667954), (4, 54833977), (11, 19939628), (22, 9969814), (44, 4984907), (157, 1397044), (314, 698522), (628, 349261), (1727, 127004), (3454, 63502), (6908, 31751)]