401720902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 668736000

約数和(自身を除く): 267015098

約数列:

[1, 2, 11, 22, 89, 178, 199, 398, 979, 1031, 1958, 2062, 2189, 4378, 11341, 17711, 22682, 35422, 91759, 183518, 194821, 205169, 389642, 410338, 1009349, 2018698, 2256859, 4513718, 18260041, 36520082, 200860451, 401720902]

約数ペア:

[(1, 401720902), (2, 200860451), (11, 36520082), (22, 18260041), (89, 4513718), (178, 2256859), (199, 2018698), (398, 1009349), (979, 410338), (1031, 389642), (1958, 205169), (2062, 194821), (2189, 183518), (4378, 91759), (11341, 35422), (17711, 22682)]