28170272

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{5209}}^1$

素因数の和:5245

約数の個数: 36

約数和(自身を含む): 60066090

約数和(自身を除く): 31895818

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5209, 5408, 10418, 20836, 41672, 67717, 83344, 135434, 166688, 270868, 541736, 880321, 1083472, 1760642, 2166944, 3521284, 7042568, 14085136, 28170272]

約数ペア:

[(1, 28170272), (2, 14085136), (4, 7042568), (8, 3521284), (13, 2166944), (16, 1760642), (26, 1083472), (32, 880321), (52, 541736), (104, 270868), (169, 166688), (208, 135434), (338, 83344), (416, 67717), (676, 41672), (1352, 20836), (2704, 10418), (5209, 5408)]