28403564

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 60082176

約数和(自身を除く): 31678612

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 761, 868, 1204, 1333, 1522, 2666, 3044, 5327, 5332, 9331, 10654, 18662, 21308, 23591, 32723, 37324, 47182, 65446, 94364, 130892, 165137, 229061, 330274, 458122, 660548, 916244, 1014413, 2028826, 4057652, 7100891, 14201782, 28403564]

約数ペア:

[(1, 28403564), (2, 14201782), (4, 7100891), (7, 4057652), (14, 2028826), (28, 1014413), (31, 916244), (43, 660548), (62, 458122), (86, 330274), (124, 229061), (172, 165137), (217, 130892), (301, 94364), (434, 65446), (602, 47182), (761, 37324), (868, 32723), (1204, 23591), (1333, 21308), (1522, 18662), (2666, 10654), (3044, 9331), (5327, 5332)]