28475804

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 59313408

約数和(自身を除く): 30837604

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 172, 268, 301, 353, 469, 602, 706, 938, 1204, 1412, 1876, 2471, 2881, 4942, 5762, 9884, 11524, 15179, 20167, 23651, 30358, 40334, 47302, 60716, 80668, 94604, 106253, 165557, 212506, 331114, 425012, 662228, 1016993, 2033986, 4067972, 7118951, 14237902, 28475804]

約数ペア:

[(1, 28475804), (2, 14237902), (4, 7118951), (7, 4067972), (14, 2033986), (28, 1016993), (43, 662228), (67, 425012), (86, 331114), (134, 212506), (172, 165557), (268, 106253), (301, 94604), (353, 80668), (469, 60716), (602, 47302), (706, 40334), (938, 30358), (1204, 23651), (1412, 20167), (1876, 15179), (2471, 11524), (2881, 9884), (4942, 5762)]