278313952

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{12809}}^1$

素因数の和:12923

約数の個数: 48

約数和(自身を含む): 632711520

約数和(自身を除く): 354397568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 5432, 10864, 12809, 21728, 25618, 51236, 89663, 102472, 179326, 204944, 358652, 409888, 717304, 1242473, 1434608, 2484946, 2869216, 4969892, 8697311, 9939784, 17394622, 19879568, 34789244, 39759136, 69578488, 139156976, 278313952]

約数ペア:

[(1, 278313952), (2, 139156976), (4, 69578488), (7, 39759136), (8, 34789244), (14, 19879568), (16, 17394622), (28, 9939784), (32, 8697311), (56, 4969892), (97, 2869216), (112, 2484946), (194, 1434608), (224, 1242473), (388, 717304), (679, 409888), (776, 358652), (1358, 204944), (1552, 179326), (2716, 102472), (3104, 89663), (5432, 51236), (10864, 25618), (12809, 21728)]