278865314

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 549110016

約数和(自身を除く): 270244702

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 193, 221, 238, 386, 442, 467, 934, 1351, 1547, 2509, 2702, 3094, 3269, 3281, 5018, 6071, 6538, 6562, 7939, 12142, 15878, 17563, 22967, 35126, 42497, 42653, 45934, 55573, 84994, 85306, 90131, 103207, 111146, 180262, 206414, 298571, 597142, 630917, 722449, 1171703, 1261834, 1444898, 1532227, 2343406, 3064454, 8201921, 10725589, 16403842, 19918951, 21451178, 39837902, 139432657, 278865314]

約数ペア:

[(1, 278865314), (2, 139432657), (7, 39837902), (13, 21451178), (14, 19918951), (17, 16403842), (26, 10725589), (34, 8201921), (91, 3064454), (119, 2343406), (182, 1532227), (193, 1444898), (221, 1261834), (238, 1171703), (386, 722449), (442, 630917), (467, 597142), (934, 298571), (1351, 206414), (1547, 180262), (2509, 111146), (2702, 103207), (3094, 90131), (3269, 85306), (3281, 84994), (5018, 55573), (6071, 45934), (6538, 42653), (6562, 42497), (7939, 35126), (12142, 22967), (15878, 17563)]