78008752

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 154713312

約数和(自身を除く): 76704560

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 257, 311, 488, 514, 622, 976, 1028, 1244, 2056, 2488, 4112, 4976, 15677, 18971, 31354, 37942, 62708, 75884, 79927, 125416, 151768, 159854, 250832, 303536, 319708, 639416, 1278832, 4875547, 9751094, 19502188, 39004376, 78008752]

約数ペア:

[(1, 78008752), (2, 39004376), (4, 19502188), (8, 9751094), (16, 4875547), (61, 1278832), (122, 639416), (244, 319708), (257, 303536), (311, 250832), (488, 159854), (514, 151768), (622, 125416), (976, 79927), (1028, 75884), (1244, 62708), (2056, 37942), (2488, 31354), (4112, 18971), (4976, 15677)]