215728

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 20

約数和(自身を含む): 425320

約数和(自身を除く): 209592

約数列:

[1, 2, 4, 8, 16, 97, 139, 194, 278, 388, 556, 776, 1112, 1552, 2224, 13483, 26966, 53932, 107864, 215728]

約数ペア:

[(1, 215728), (2, 107864), (4, 53932), (8, 26966), (16, 13483), (97, 2224), (139, 1552), (194, 1112), (278, 776), (388, 556)]