321387952

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{242009}}^1$

素因数の和:242100

約数の個数: 20

約数和(自身を含む): 630194040

約数和(自身を除く): 308806088

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 242009, 484018, 968036, 1936072, 3872144, 20086747, 40173494, 80346988, 160693976, 321387952]

約数ペア:

[(1, 321387952), (2, 160693976), (4, 80346988), (8, 40173494), (16, 20086747), (83, 3872144), (166, 1936072), (332, 968036), (664, 484018), (1328, 242009)]