16005704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 37376640

約数和(自身を除く): 21370936

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 823, 884, 1144, 1496, 1646, 1768, 2431, 3292, 4862, 6584, 9053, 9724, 10699, 13991, 18106, 19448, 21398, 27982, 36212, 42796, 55964, 72424, 85592, 111928, 117689, 153901, 181883, 235378, 307802, 363766, 470756, 615604, 727532, 941512, 1231208, 1455064, 2000713, 4001426, 8002852, 16005704]

約数ペア:

[(1, 16005704), (2, 8002852), (4, 4001426), (8, 2000713), (11, 1455064), (13, 1231208), (17, 941512), (22, 727532), (26, 615604), (34, 470756), (44, 363766), (52, 307802), (68, 235378), (88, 181883), (104, 153901), (136, 117689), (143, 111928), (187, 85592), (221, 72424), (286, 55964), (374, 42796), (442, 36212), (572, 27982), (748, 21398), (823, 19448), (884, 18106), (1144, 13991), (1496, 10699), (1646, 9724), (1768, 9053), (2431, 6584), (3292, 4862)]