161745164

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{140893}}^1$

素因数の和:140945

約数の個数: 24

約数和(自身を含む): 331382688

約数和(自身を除く): 169637524

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 140893, 281786, 563572, 986251, 1972502, 3945004, 5776613, 11553226, 23106452, 40436291, 80872582, 161745164]

約数ペア:

[(1, 161745164), (2, 80872582), (4, 40436291), (7, 23106452), (14, 11553226), (28, 5776613), (41, 3945004), (82, 1972502), (164, 986251), (287, 563572), (574, 281786), (1148, 140893)]