1996742

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 3396288

約数和(自身を除く): 1399546

約数列:

[1, 2, 11, 22, 37, 74, 121, 223, 242, 407, 446, 814, 2453, 4477, 4906, 8251, 8954, 16502, 26983, 53966, 90761, 181522, 998371, 1996742]

約数ペア:

[(1, 1996742), (2, 998371), (11, 181522), (22, 90761), (37, 53966), (74, 26983), (121, 16502), (223, 8954), (242, 8251), (407, 4906), (446, 4477), (814, 2453)]