668831051

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 828403200

約数和(自身を除く): 159572149

約数列:

[1, 7, 17, 67, 119, 149, 469, 563, 1043, 1139, 2533, 3941, 7973, 9571, 9983, 17731, 37721, 66997, 69881, 83887, 169711, 264047, 587209, 641257, 1187977, 1426079, 4488799, 5620429, 9982553, 39343003, 95547293, 668831051]

約数ペア:

[(1, 668831051), (7, 95547293), (17, 39343003), (67, 9982553), (119, 5620429), (149, 4488799), (469, 1426079), (563, 1187977), (1043, 641257), (1139, 587209), (2533, 264047), (3941, 169711), (7973, 83887), (9571, 69881), (9983, 66997), (17731, 37721)]