217502210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{356561}}^1$

素因数の和:356629

約数の個数: 16

約数和(自身を含む): 397923192

約数和(自身を除く): 180420982

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 356561, 713122, 1782805, 3565610, 21750221, 43500442, 108751105, 217502210]

約数ペア:

[(1, 217502210), (2, 108751105), (5, 43500442), (10, 21750221), (61, 3565610), (122, 1782805), (305, 713122), (610, 356561)]