290438128

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{229777}}^1$

素因数の和:229864

約数の個数: 20

約数和(自身を含む): 569849440

約数和(自身を除く): 279411312

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 229777, 459554, 919108, 1838216, 3676432, 18152383, 36304766, 72609532, 145219064, 290438128]

約数ペア:

[(1, 290438128), (2, 145219064), (4, 72609532), (8, 36304766), (16, 18152383), (79, 3676432), (158, 1838216), (316, 919108), (632, 459554), (1264, 229777)]