638654330

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{3643}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 1177507584

約数和(自身を除く): 538853254

約数列:

[1, 2, 5, 10, 47, 94, 235, 373, 470, 746, 1865, 3643, 3730, 7286, 17531, 18215, 35062, 36430, 87655, 171221, 175310, 342442, 856105, 1358839, 1712210, 2717678, 6794195, 13588390, 63865433, 127730866, 319327165, 638654330]

約数ペア:

[(1, 638654330), (2, 319327165), (5, 127730866), (10, 63865433), (47, 13588390), (94, 6794195), (235, 2717678), (373, 1712210), (470, 1358839), (746, 856105), (1865, 342442), (3643, 175310), (3730, 171221), (7286, 87655), (17531, 36430), (18215, 35062)]