28093884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 81164160

約数和(自身を除く): 53070276

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1979, 2028, 2366, 3549, 3958, 4732, 5937, 7098, 7916, 11874, 13853, 14196, 23748, 25727, 27706, 41559, 51454, 55412, 77181, 83118, 102908, 154362, 166236, 180089, 308724, 334451, 360178, 540267, 668902, 720356, 1003353, 1080534, 1337804, 2006706, 2161068, 2341157, 4013412, 4682314, 7023471, 9364628, 14046942, 28093884]

約数ペア:

[(1, 28093884), (2, 14046942), (3, 9364628), (4, 7023471), (6, 4682314), (7, 4013412), (12, 2341157), (13, 2161068), (14, 2006706), (21, 1337804), (26, 1080534), (28, 1003353), (39, 720356), (42, 668902), (52, 540267), (78, 360178), (84, 334451), (91, 308724), (156, 180089), (169, 166236), (182, 154362), (273, 102908), (338, 83118), (364, 77181), (507, 55412), (546, 51454), (676, 41559), (1014, 27706), (1092, 25727), (1183, 23748), (1979, 14196), (2028, 13853), (2366, 11874), (3549, 7916), (3958, 7098), (4732, 5937)]