138852784

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{12781}}^1$

素因数の和:12893

約数の個数: 40

約数和(自身を含む): 310653728

約数和(自身を除く): 171800944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 12781, 25562, 51124, 89467, 102248, 178934, 204496, 357868, 715736, 1239757, 1431472, 2479514, 4959028, 8678299, 9918056, 17356598, 19836112, 34713196, 69426392, 138852784]

約数ペア:

[(1, 138852784), (2, 69426392), (4, 34713196), (7, 19836112), (8, 17356598), (14, 9918056), (16, 8678299), (28, 4959028), (56, 2479514), (97, 1431472), (112, 1239757), (194, 715736), (388, 357868), (679, 204496), (776, 178934), (1358, 102248), (1552, 89467), (2716, 51124), (5432, 25562), (10864, 12781)]