217341008

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{171947}}^1$

素因数の和:172034

約数の個数: 20

約数和(自身を含む): 426431040

約数和(自身を除く): 209090032

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 171947, 343894, 687788, 1375576, 2751152, 13583813, 27167626, 54335252, 108670504, 217341008]

約数ペア:

[(1, 217341008), (2, 108670504), (4, 54335252), (8, 27167626), (16, 13583813), (79, 2751152), (158, 1375576), (316, 687788), (632, 343894), (1264, 171947)]