216577154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 349138944

約数和(自身を除く): 132561790

約数列:

[1, 2, 23, 43, 46, 86, 223, 446, 491, 982, 989, 1978, 5129, 9589, 10258, 11293, 19178, 21113, 22586, 42226, 109493, 218986, 220547, 441094, 485599, 971198, 2518339, 4708199, 5036678, 9416398, 108288577, 216577154]

約数ペア:

[(1, 216577154), (2, 108288577), (23, 9416398), (43, 5036678), (46, 4708199), (86, 2518339), (223, 971198), (446, 485599), (491, 441094), (982, 220547), (989, 218986), (1978, 109493), (5129, 42226), (9589, 22586), (10258, 21113), (11293, 19178)]