219765572

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{10487}}^1$

素因数の和:10548

約数の個数: 36

約数和(自身を含む): 429924096

約数和(自身を除く): 210158524

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 5239, 10478, 10487, 20956, 20974, 41948, 136331, 272662, 325097, 545324, 650194, 1300388, 1772303, 3544606, 4226261, 7089212, 8452522, 16905044, 54941393, 109882786, 219765572]

約数ペア:

[(1, 219765572), (2, 109882786), (4, 54941393), (13, 16905044), (26, 8452522), (31, 7089212), (52, 4226261), (62, 3544606), (124, 1772303), (169, 1300388), (338, 650194), (403, 545324), (676, 325097), (806, 272662), (1612, 136331), (5239, 41948), (10478, 20974), (10487, 20956)]