139628872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4663}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 277041600

約数和(自身を除く): 137412728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 788, 1576, 3743, 4663, 7486, 9326, 14972, 18652, 29944, 37304, 88597, 177194, 354388, 708776, 918611, 1837222, 3674444, 7348888, 17453609, 34907218, 69814436, 139628872]

約数ペア:

[(1, 139628872), (2, 69814436), (4, 34907218), (8, 17453609), (19, 7348888), (38, 3674444), (76, 1837222), (152, 918611), (197, 708776), (394, 354388), (788, 177194), (1576, 88597), (3743, 37304), (4663, 29944), (7486, 18652), (9326, 14972)]