171577990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157411}}^1$

素因数の和:157527

約数の個数: 16

約数和(自身を含む): 311675760

約数和(自身を除く): 140097770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 157411, 314822, 787055, 1574110, 17157799, 34315598, 85788995, 171577990]

約数ペア:

[(1, 171577990), (2, 85788995), (5, 34315598), (10, 17157799), (109, 1574110), (218, 787055), (545, 314822), (1090, 157411)]