289206128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{440863}}^1$

素因数の和:440912

約数の個数: 20

約数和(自身を含む): 574004928

約数和(自身を除く): 284798800

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 440863, 881726, 1763452, 3526904, 7053808, 18075383, 36150766, 72301532, 144603064, 289206128]

約数ペア:

[(1, 289206128), (2, 144603064), (4, 72301532), (8, 36150766), (16, 18075383), (41, 7053808), (82, 3526904), (164, 1763452), (328, 881726), (656, 440863)]