28994878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{13049}}^1$

素因数の和:13163

約数の個数: 16

約数和(自身を含む): 47919600

約数和(自身を除く): 18924722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 13049, 26098, 143539, 287078, 1317949, 2635898, 14497439, 28994878]

約数ペア:

[(1, 28994878), (2, 14497439), (11, 2635898), (22, 1317949), (101, 287078), (202, 143539), (1111, 26098), (2222, 13049)]