290438516

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{3881}}^1$

素因数の和:4291

約数の個数: 24

約数和(自身を含む): 519458184

約数和(自身を除く): 229019668

約数列:

[1, 2, 4, 53, 106, 212, 353, 706, 1412, 3881, 7762, 15524, 18709, 37418, 74836, 205693, 411386, 822772, 1369993, 2739986, 5479972, 72609629, 145219258, 290438516]

約数ペア:

[(1, 290438516), (2, 145219258), (4, 72609629), (53, 5479972), (106, 2739986), (212, 1369993), (353, 822772), (706, 411386), (1412, 205693), (3881, 74836), (7762, 37418), (15524, 18709)]