26720804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 54613440

約数和(自身を除く): 27892636

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 139, 187, 257, 278, 374, 514, 556, 748, 1028, 1529, 2363, 2827, 3058, 4369, 4726, 5654, 6116, 8738, 9452, 11308, 17476, 25993, 35723, 48059, 51986, 71446, 96118, 103972, 142892, 192236, 392953, 607291, 785906, 1214582, 1571812, 2429164, 6680201, 13360402, 26720804]

約数ペア:

[(1, 26720804), (2, 13360402), (4, 6680201), (11, 2429164), (17, 1571812), (22, 1214582), (34, 785906), (44, 607291), (68, 392953), (139, 192236), (187, 142892), (257, 103972), (278, 96118), (374, 71446), (514, 51986), (556, 48059), (748, 35723), (1028, 25993), (1529, 17476), (2363, 11308), (2827, 9452), (3058, 8738), (4369, 6116), (4726, 5654)]