189443905

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{19973}}^1$

素因数の和:20256

約数の個数: 16

約数和(自身を含む): 260780544

約数和(自身を除く): 71336639

約数列:

[1, 5, 7, 35, 271, 1355, 1897, 9485, 19973, 99865, 139811, 699055, 5412683, 27063415, 37888781, 189443905]

約数ペア:

[(1, 189443905), (5, 37888781), (7, 27063415), (35, 5412683), (271, 699055), (1355, 139811), (1897, 99865), (9485, 19973)]