57129278

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 87318000

約数和(自身を除く): 30188722

約数列:

[1, 2, 89, 139, 178, 278, 2309, 4618, 12371, 24742, 205501, 320951, 411002, 641902, 28564639, 57129278]

約数ペア:

[(1, 57129278), (2, 28564639), (89, 641902), (139, 411002), (178, 320951), (278, 205501), (2309, 24742), (4618, 12371)]