172821808

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{27767}}^1$

素因数の和:28164

約数の個数: 20

約数和(自身を含む): 335715120

約数和(自身を除く): 162893312

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 27767, 55534, 111068, 222136, 444272, 10801363, 21602726, 43205452, 86410904, 172821808]

約数ペア:

[(1, 172821808), (2, 86410904), (4, 43205452), (8, 21602726), (16, 10801363), (389, 444272), (778, 222136), (1556, 111068), (3112, 55534), (6224, 27767)]