199892008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{9461}}^1$

素因数の和:9625

約数の個数: 32

約数和(自身を含む): 397404000

約数和(自身を除く): 197511992

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 2641, 5282, 9461, 10564, 18922, 21128, 37844, 75688, 179759, 359518, 719036, 1315079, 1438072, 2630158, 5260316, 10520632, 24986501, 49973002, 99946004, 199892008]

約数ペア:

[(1, 199892008), (2, 99946004), (4, 49973002), (8, 24986501), (19, 10520632), (38, 5260316), (76, 2630158), (139, 1438072), (152, 1315079), (278, 719036), (556, 359518), (1112, 179759), (2641, 75688), (5282, 37844), (9461, 21128), (10564, 18922)]