660486544

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{81101}}^1$

素因数の和:81618

約数の個数: 20

約数和(自身を含む): 1282222620

約数和(自身を除く): 621736076

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 81101, 162202, 324404, 648808, 1297616, 41280409, 82560818, 165121636, 330243272, 660486544]

約数ペア:

[(1, 660486544), (2, 330243272), (4, 165121636), (8, 82560818), (16, 41280409), (509, 1297616), (1018, 648808), (2036, 324404), (4072, 162202), (8144, 81101)]