213963673

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{19991}}^1$

素因数の和:20148

約数の個数: 16

約数和(自身を含む): 268692480

約数和(自身を除く): 54728807

約数列:

[1, 7, 11, 77, 139, 973, 1529, 10703, 19991, 139937, 219901, 1539307, 2778749, 19451243, 30566239, 213963673]

約数ペア:

[(1, 213963673), (7, 30566239), (11, 19451243), (77, 2778749), (139, 1539307), (973, 219901), (1529, 139937), (10703, 19991)]