28261792

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1721

約数の個数: 48

約数和(自身を含む): 61418952

約数和(自身を除く): 33157160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 1657, 2132, 3314, 4264, 6628, 8528, 13256, 17056, 21541, 26512, 43082, 53024, 67937, 86164, 135874, 172328, 271748, 344656, 543496, 689312, 883181, 1086992, 1766362, 2173984, 3532724, 7065448, 14130896, 28261792]

約数ペア:

[(1, 28261792), (2, 14130896), (4, 7065448), (8, 3532724), (13, 2173984), (16, 1766362), (26, 1086992), (32, 883181), (41, 689312), (52, 543496), (82, 344656), (104, 271748), (164, 172328), (208, 135874), (328, 86164), (416, 67937), (533, 53024), (656, 43082), (1066, 26512), (1312, 21541), (1657, 17056), (2132, 13256), (3314, 8528), (4264, 6628)]