281428868

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{164771}}^1$

素因数の和:164843

約数の個数: 24

約数和(自身を含む): 572088384

約数和(自身を除く): 290659516

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 164771, 329542, 659084, 1153397, 2306794, 4613588, 10051031, 20102062, 40204124, 70357217, 140714434, 281428868]

約数ペア:

[(1, 281428868), (2, 140714434), (4, 70357217), (7, 40204124), (14, 20102062), (28, 10051031), (61, 4613588), (122, 2306794), (244, 1153397), (427, 659084), (854, 329542), (1708, 164771)]