173880028

素因数分解:

$2^2\times 7^2\times {\mathrm{887143}}^1$

素因数の和:887161

約数の個数: 18

約数和(自身を含む): 353970456

約数和(自身を除く): 180090428

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 887143, 1774286, 3548572, 6210001, 12420002, 24840004, 43470007, 86940014, 173880028]

約数ペア:

[(1, 173880028), (2, 86940014), (4, 43470007), (7, 24840004), (14, 12420002), (28, 6210001), (49, 3548572), (98, 1774286), (196, 887143)]