319981328

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{540509}}^1$

素因数の和:540554

約数の個数: 20

約数和(自身を含む): 636720780

約数和(自身を除く): 316739452

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 540509, 1081018, 2162036, 4324072, 8648144, 19998833, 39997666, 79995332, 159990664, 319981328]

約数ペア:

[(1, 319981328), (2, 159990664), (4, 79995332), (8, 39997666), (16, 19998833), (37, 8648144), (74, 4324072), (148, 2162036), (296, 1081018), (592, 540509)]