31321804

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 58674000

約数和(自身を除く): 27352196

約数列:

[1, 2, 4, 19, 38, 76, 109, 199, 218, 361, 398, 436, 722, 796, 1444, 2071, 3781, 4142, 7562, 8284, 15124, 21691, 39349, 43382, 71839, 78698, 86764, 143678, 157396, 287356, 412129, 824258, 1648516, 7830451, 15660902, 31321804]

約数ペア:

[(1, 31321804), (2, 15660902), (4, 7830451), (19, 1648516), (38, 824258), (76, 412129), (109, 287356), (199, 157396), (218, 143678), (361, 86764), (398, 78698), (436, 71839), (722, 43382), (796, 39349), (1444, 21691), (2071, 15124), (3781, 8284), (4142, 7562)]