128908136

素因数分解:

$2^3\times 7^1\times {\mathrm{823}}^1\times {\mathrm{2797}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 276666240

約数和(自身を除く): 147758104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 823, 1646, 2797, 3292, 5594, 5761, 6584, 11188, 11522, 19579, 22376, 23044, 39158, 46088, 78316, 156632, 2301931, 4603862, 9207724, 16113517, 18415448, 32227034, 64454068, 128908136]

約数ペア:

[(1, 128908136), (2, 64454068), (4, 32227034), (7, 18415448), (8, 16113517), (14, 9207724), (28, 4603862), (56, 2301931), (823, 156632), (1646, 78316), (2797, 46088), (3292, 39158), (5594, 23044), (5761, 22376), (6584, 19579), (11188, 11522)]