28664356

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2503}}^1$

素因数の和:2923

約数の個数: 24

約数和(自身を含む): 57491840

約数和(自身を除く): 28827484

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2503, 2863, 5006, 5726, 10012, 11452, 17521, 35042, 70084, 1023727, 2047454, 4094908, 7166089, 14332178, 28664356]

約数ペア:

[(1, 28664356), (2, 14332178), (4, 7166089), (7, 4094908), (14, 2047454), (28, 1023727), (409, 70084), (818, 35042), (1636, 17521), (2503, 11452), (2863, 10012), (5006, 5726)]