217420844

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{2447}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 386245440

約数和(自身を除く): 168824596

約数列:

[1, 2, 4, 97, 194, 229, 388, 458, 916, 2447, 4894, 9788, 22213, 44426, 88852, 237359, 474718, 560363, 949436, 1120726, 2241452, 54355211, 108710422, 217420844]

約数ペア:

[(1, 217420844), (2, 108710422), (4, 54355211), (97, 2241452), (194, 1120726), (229, 949436), (388, 560363), (458, 474718), (916, 237359), (2447, 88852), (4894, 44426), (9788, 22213)]