538834816

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{323819}}^1$

素因数の和:323846

約数の個数: 32

約数和(自身を含む): 1156037400

約数和(自身を除く): 617202584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 323819, 647638, 1295276, 2590552, 4209647, 5181104, 8419294, 10362208, 16838588, 20724416, 33677176, 41448832, 67354352, 134708704, 269417408, 538834816]

約数ペア:

[(1, 538834816), (2, 269417408), (4, 134708704), (8, 67354352), (13, 41448832), (16, 33677176), (26, 20724416), (32, 16838588), (52, 10362208), (64, 8419294), (104, 5181104), (128, 4209647), (208, 2590552), (416, 1295276), (832, 647638), (1664, 323819)]