81275312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267353}}^1$

素因数の和:267380

約数の個数: 20

約数和(自身を含む): 165759480

約数和(自身を除く): 84484168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267353, 534706, 1069412, 2138824, 4277648, 5079707, 10159414, 20318828, 40637656, 81275312]

約数ペア:

[(1, 81275312), (2, 40637656), (4, 20318828), (8, 10159414), (16, 5079707), (19, 4277648), (38, 2138824), (76, 1069412), (152, 534706), (304, 267353)]