641237672

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{35171}}^1$

素因数の和:35273

約数の個数: 32

約数和(自身を含む): 1253530080

約数和(自身を除く): 612292408

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2279, 4558, 9116, 18232, 35171, 70342, 140684, 281368, 1512353, 1864063, 3024706, 3728126, 6049412, 7456252, 12098824, 14912504, 80154709, 160309418, 320618836, 641237672]

約数ペア:

[(1, 641237672), (2, 320618836), (4, 160309418), (8, 80154709), (43, 14912504), (53, 12098824), (86, 7456252), (106, 6049412), (172, 3728126), (212, 3024706), (344, 1864063), (424, 1512353), (2279, 281368), (4558, 140684), (9116, 70342), (18232, 35171)]