28190844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 78322608

約数和(自身を除く): 50131764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 257, 277, 396, 514, 554, 771, 831, 1028, 1108, 1542, 1662, 2313, 2493, 2827, 3047, 3084, 3324, 4626, 4986, 5654, 6094, 8481, 9141, 9252, 9972, 11308, 12188, 16962, 18282, 25443, 27423, 33924, 36564, 50886, 54846, 71189, 101772, 109692, 142378, 213567, 284756, 427134, 640701, 783079, 854268, 1281402, 1566158, 2349237, 2562804, 3132316, 4698474, 7047711, 9396948, 14095422, 28190844]

約数ペア:

[(1, 28190844), (2, 14095422), (3, 9396948), (4, 7047711), (6, 4698474), (9, 3132316), (11, 2562804), (12, 2349237), (18, 1566158), (22, 1281402), (33, 854268), (36, 783079), (44, 640701), (66, 427134), (99, 284756), (132, 213567), (198, 142378), (257, 109692), (277, 101772), (396, 71189), (514, 54846), (554, 50886), (771, 36564), (831, 33924), (1028, 27423), (1108, 25443), (1542, 18282), (1662, 16962), (2313, 12188), (2493, 11308), (2827, 9972), (3047, 9252), (3084, 9141), (3324, 8481), (4626, 6094), (4986, 5654)]