128779784

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37699}}^1$

素因数の和:37773

約数の個数: 32

約数和(自身を含む): 280488000

約数和(自身を除く): 151708216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 37699, 75398, 150796, 263893, 301592, 527786, 1055572, 2111144, 2299639, 4599278, 9198556, 16097473, 18397112, 32194946, 64389892, 128779784]

約数ペア:

[(1, 128779784), (2, 64389892), (4, 32194946), (7, 18397112), (8, 16097473), (14, 9198556), (28, 4599278), (56, 2299639), (61, 2111144), (122, 1055572), (244, 527786), (427, 301592), (488, 263893), (854, 150796), (1708, 75398), (3416, 37699)]