2008100728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{59243}}^1$

素因数の和:59491

約数の個数: 32

約数和(自身を含む): 3981196800

約数和(自身を除く): 1973096072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 892, 1784, 4237, 8474, 16948, 33896, 59243, 118486, 236972, 473944, 1125617, 2251234, 4502468, 9004936, 13211189, 26422378, 52844756, 105689512, 251012591, 502025182, 1004050364, 2008100728]

約数ペア:

[(1, 2008100728), (2, 1004050364), (4, 502025182), (8, 251012591), (19, 105689512), (38, 52844756), (76, 26422378), (152, 13211189), (223, 9004936), (446, 4502468), (892, 2251234), (1784, 1125617), (4237, 473944), (8474, 236972), (16948, 118486), (33896, 59243)]