211147924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{312349}}^1$

素因数の和:312379

約数の個数: 18

約数和(自身を含む): 400120350

約数和(自身を除く): 188972426

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 312349, 624698, 1249396, 4060537, 8121074, 16242148, 52786981, 105573962, 211147924]

約数ペア:

[(1, 211147924), (2, 105573962), (4, 52786981), (13, 16242148), (26, 8121074), (52, 4060537), (169, 1249396), (338, 624698), (676, 312349)]