28861868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 61114368

約数和(自身を除く): 32252500

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 811, 868, 1148, 1271, 1622, 2542, 3244, 5084, 5677, 8897, 11354, 17794, 22708, 25141, 33251, 35588, 50282, 66502, 100564, 133004, 175987, 232757, 351974, 465514, 703948, 931028, 1030781, 2061562, 4123124, 7215467, 14430934, 28861868]

約数ペア:

[(1, 28861868), (2, 14430934), (4, 7215467), (7, 4123124), (14, 2061562), (28, 1030781), (31, 931028), (41, 703948), (62, 465514), (82, 351974), (124, 232757), (164, 175987), (217, 133004), (287, 100564), (434, 66502), (574, 50282), (811, 35588), (868, 33251), (1148, 25141), (1271, 22708), (1622, 17794), (2542, 11354), (3244, 8897), (5084, 5677)]